55316460 has 48 divisors (see below), whose sum is σ = 155232000. Its totient is φ = 14718144.

The previous prime is 55316441. The next prime is 55316461. The reversal of 55316460 is 6461355.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (55316461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38841 + ... + 40239.

It is an arithmetic number, because the mean of its divisors is an integer number (3234000).

Almost surely, 2^55316460 is an apocalyptic number.

It is an amenable number.

55316460 is an abundant number, since it is smaller than the sum of its proper divisors (99915540).

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

55316460 is a wasteful number, since it uses less digits than its factorization.

55316460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55316460 is about 7437.5036134445. The cubic root of 55316460 is about 381.0232348517.

The spelling of 55316460 in words is "fifty-five million, three hundred sixteen thousand, four hundred sixty".