55413603 has 12 divisors (see below), whose sum is σ = 91476528. Its totient is φ = 31664880.

The previous prime is 55413599. The next prime is 55413607. The reversal of 55413603 is 30631455.

55413603 is a `hidden beast` number, since 5 + 54 + 1 + 3 + 603 = 666.

It is an interprime number because it is at equal distance from previous prime (55413599) and next prime (55413607).

It is not a de Polignac number, because 55413603 - 2² = 55413599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55413607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439728 + ... + 439853.

It is an arithmetic number, because the mean of its divisors is an integer number (7623044).

Almost surely, 2^55413603 is an apocalyptic number.

55413603 is a deficient number, since it is larger than the sum of its proper divisors (36062925).

55413603 is a wasteful number, since it uses less digits than its factorization.

55413603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879594 (or 879591 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 55413603 is about 7444.0313674782. The cubic root of 55413603 is about 381.2461467675.

The spelling of 55413603 in words is "fifty-five million, four hundred thirteen thousand, six hundred three".