55607274 has 12 divisors (see below), whose sum is σ = 120482466. Its totient is φ = 18535752.

The previous prime is 55607269. The next prime is 55607291. The reversal of 55607274 is 47270655.

It can be written as a sum of positive squares in only one way, i.e., 46335249 + 9272025 = 6807^2 + 3045^2 .

It is a super-2 number, since 2×55607274² = 6184337843422152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1544629 + ... + 1544664.

Almost surely, 2^55607274 is an apocalyptic number.

55607274 is an abundant number, since it is smaller than the sum of its proper divisors (64875192).

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

55607274 is a wasteful number, since it uses less digits than its factorization.

55607274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089301 (or 3089298 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 55607274 is about 7457.0284966600. The cubic root of 55607274 is about 381.6897831408.

The spelling of 55607274 in words is "fifty-five million, six hundred seven thousand, two hundred seventy-four".