55974276 has 18 divisors (see below), whose sum is σ = 141490622. Its totient is φ = 18658080.

The previous prime is 55974257. The next prime is 55974277. The reversal of 55974276 is 67247955.

55974276 is a `hidden beast` number, since 559 + 74 + 27 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34574400 + 21399876 = 5880^2 + 4626^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (55974277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 777385 + ... + 777456.

Almost surely, 2^55974276 is an apocalyptic number.

It is an amenable number.

55974276 is an abundant number, since it is smaller than the sum of its proper divisors (85516346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55974276 is a wasteful number, since it uses less digits than its factorization.

55974276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554851 (or 1554846 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 55974276 is about 7481.5958190750. The cubic root of 55974276 is about 382.5276463421.

The spelling of 55974276 in words is "fifty-five million, nine hundred seventy-four thousand, two hundred seventy-six".