54688725 has 72 divisors (see below), whose sum is σ = 120603392. Its totient is φ = 23068800.

The previous prime is 54688721. The next prime is 54688729. The reversal of 54688725 is 52788645.

54688725 is a `hidden beast` number, since 546 + 8 + 87 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (54688721) and next prime (54688729).

It is not a de Polignac number, because 54688725 - 2² = 54688721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54688721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19140 + ... + 21810.

Almost surely, 2^54688725 is an apocalyptic number.

It is an amenable number.

54688725 is an abundant number, since it is smaller than the sum of its proper divisors (65914667).

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

54688725 is a wasteful number, since it uses less digits than its factorization.

54688725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707 (or 2699 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 54688725 is about 7395.1825535277. The cubic root of 54688725 is about 379.5764556130.

The spelling of 54688725 in words is "fifty-four million, six hundred eighty-eight thousand, seven hundred twenty-five".