55317460 has 24 divisors (see below), whose sum is σ = 126727776. Its totient is φ = 20115360.

The previous prime is 55317421. The next prime is 55317497. The reversal of 55317460 is 6471355.

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, 125502 + ... + 125941.

It is an arithmetic number, because the mean of its divisors is an integer number (5280324).

Almost surely, 2^55317460 is an apocalyptic number.

It is an amenable number.

55317460 is an abundant number, since it is smaller than the sum of its proper divisors (71410316).

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

55317460 is a wasteful number, since it uses less digits than its factorization.

55317460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251463 (or 251461 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55317460 is about 7437.5708399988. The cubic root of 55317460 is about 381.0255308587.

The spelling of 55317460 in words is "fifty-five million, three hundred seventeen thousand, four hundred sixty".