55753725 has 24 divisors (see below), whose sum is σ = 96190272. Its totient is φ = 28441600.

The previous prime is 55753723. The next prime is 55753739. The reversal of 55753725 is 52735755.

It is not a de Polignac number, because 55753725 - 2¹ = 55753723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55753723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14436 + ... + 17885.

It is an arithmetic number, because the mean of its divisors is an integer number (4007928).

Almost surely, 2^55753725 is an apocalyptic number.

It is an amenable number.

55753725 is a deficient number, since it is larger than the sum of its proper divisors (40436547).

55753725 is a wasteful number, since it uses less digits than its factorization.

55753725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32357 (or 32352 counting only the distinct ones).

The product of its digits is 183750, while the sum is 39.

The square root of 55753725 is about 7466.8417018174. The cubic root of 55753725 is about 382.0245705713.

The spelling of 55753725 in words is "fifty-five million, seven hundred fifty-three thousand, seven hundred twenty-five".