55775536 has 20 divisors (see below), whose sum is σ = 108475200. Its totient is φ = 27781952.

The previous prime is 55775527. The next prime is 55775537. The reversal of 55775536 is 63557755.

It is a super-2 number, since 2×55775536² = 6221820832174592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55775492 and 55775501.

It is not an unprimeable number, because it can be changed into a prime (55775537) 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, 2176 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (5423760).

Almost surely, 2^55775536 is an apocalyptic number.

It is an amenable number.

55775536 is a deficient number, since it is larger than the sum of its proper divisors (52699664).

55775536 is a wasteful number, since it uses less digits than its factorization.

55775536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13236 (or 13230 counting only the distinct ones).

The product of its digits is 551250, while the sum is 43.

The square root of 55775536 is about 7468.3020828030. The cubic root of 55775536 is about 382.0743804067.

The spelling of 55775536 in words is "fifty-five million, seven hundred seventy-five thousand, five hundred thirty-six".