55775276 has 24 divisors (see below), whose sum is σ = 104025600. Its totient is φ = 26105552.

The previous prime is 55775273. The next prime is 55775281. The reversal of 55775276 is 67257755.

It is a happy number.

It is a super-2 number, since 2×55775276² = 6221762825752352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55775273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126 + ... + 10773.

It is an arithmetic number, because the mean of its divisors is an integer number (4334400).

Almost surely, 2^55775276 is an apocalyptic number.

It is an amenable number.

55775276 is a deficient number, since it is larger than the sum of its proper divisors (48250324).

55775276 is a wasteful number, since it uses less digits than its factorization.

55775276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973 (or 12971 counting only the distinct ones).

The product of its digits is 514500, while the sum is 44.

The square root of 55775276 is about 7468.2846758811. The cubic root of 55775276 is about 382.0737867205.

The spelling of 55775276 in words is "fifty-five million, seven hundred seventy-five thousand, two hundred seventy-six".