54613720 has 32 divisors (see below), whose sum is σ = 140436000. Its totient is φ = 18724608.

The previous prime is 54613679. The next prime is 54613721. The reversal of 54613720 is 2731645.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54613721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97245 + ... + 97804.

It is an arithmetic number, because the mean of its divisors is an integer number (4388625).

Almost surely, 2^54613720 is an apocalyptic number.

It is an amenable number.

54613720 is an abundant number, since it is smaller than the sum of its proper divisors (85822280).

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

54613720 is a wasteful number, since it uses less digits than its factorization.

54613720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195067 (or 195063 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 54613720 is about 7390.1096067650. The cubic root of 54613720 is about 379.4028478753.

The spelling of 54613720 in words is "fifty-four million, six hundred thirteen thousand, seven hundred twenty".