55747164 has 48 divisors (see below), whose sum is σ = 146805120. Its totient is φ = 16309440.

The previous prime is 55747163. The next prime is 55747169. The reversal of 55747164 is 46174755.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55747163) 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, 3454 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (3058440).

Almost surely, 2^55747164 is an apocalyptic number.

It is an amenable number.

55747164 is an abundant number, since it is smaller than the sum of its proper divisors (91057956).

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

55747164 is a wasteful number, since it uses less digits than its factorization.

55747164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14610 (or 14608 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 55747164 is about 7466.4023465120. The cubic root of 55747164 is about 382.0095846576.

The spelling of 55747164 in words is "fifty-five million, seven hundred forty-seven thousand, one hundred sixty-four".