55776038 has 16 divisors (see below), whose sum is σ = 85704480. Its totient is φ = 27216000.

The previous prime is 55776013. The next prime is 55776047. The reversal of 55776038 is 83067755.

It is a super-2 number, since 2×55776038² = 6221932829954888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55775986 and 55776004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12398 + ... + 16286.

It is an arithmetic number, because the mean of its divisors is an integer number (5356530).

Almost surely, 2^55776038 is an apocalyptic number.

55776038 is a deficient number, since it is larger than the sum of its proper divisors (29928442).

55776038 is a wasteful number, since it uses less digits than its factorization.

55776038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 55776038 is about 7468.3356914376. The cubic root of 55776038 is about 382.0755266725.

The spelling of 55776038 in words is "fifty-five million, seven hundred seventy-six thousand, thirty-eight".