56155630 has 8 divisors (see below), whose sum is σ = 101080152. Its totient is φ = 22462248.

The previous prime is 56155591. The next prime is 56155667. The reversal of 56155630 is 3655165.

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

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 56155592 and 56155601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807772 + ... + 2807791.

It is an arithmetic number, because the mean of its divisors is an integer number (12635019).

Almost surely, 2^56155630 is an apocalyptic number.

56155630 is a deficient number, since it is larger than the sum of its proper divisors (44924522).

56155630 is a wasteful number, since it uses less digits than its factorization.

56155630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615570.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 56155630 is about 7493.7060257259. The cubic root of 56155630 is about 382.9403247880.

The spelling of 56155630 in words is "fifty-six million, one hundred fifty-five thousand, six hundred thirty".