55971473 has 8 divisors (see below), whose sum is σ = 59502720. Its totient is φ = 52498800.

The previous prime is 55971469. The next prime is 55971481. The reversal of 55971473 is 37417955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55971473 - 2² = 55971469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55971473.

It is not an unprimeable number, because it can be changed into a prime (55971413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12665 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (7437840).

Almost surely, 2^55971473 is an apocalyptic number.

It is an amenable number.

55971473 is a deficient number, since it is larger than the sum of its proper divisors (3531247).

55971473 is a wasteful number, since it uses less digits than its factorization.

55971473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29287.

The product of its digits is 132300, while the sum is 41.

The square root of 55971473 is about 7481.4084903847. The cubic root of 55971473 is about 382.5212610108.

The spelling of 55971473 in words is "fifty-five million, nine hundred seventy-one thousand, four hundred seventy-three".