55785796 has 12 divisors (see below), whose sum is σ = 106500240. Its totient is φ = 25357160.

The previous prime is 55785773. The next prime is 55785799. The reversal of 55785796 is 69758755.

It is a super-2 number, since 2×55785796² = 6224110070707232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55785799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633886 + ... + 633973.

It is an arithmetic number, because the mean of its divisors is an integer number (8875020).

Almost surely, 2^55785796 is an apocalyptic number.

It is an amenable number.

55785796 is a deficient number, since it is larger than the sum of its proper divisors (50714444).

55785796 is a wasteful number, since it uses less digits than its factorization.

55785796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267874 (or 1267872 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 52.

The square root of 55785796 is about 7468.9889543365. The cubic root of 55785796 is about 382.0978067036.

The spelling of 55785796 in words is "fifty-five million, seven hundred eighty-five thousand, seven hundred ninety-six".