55546725 has 48 divisors (see below), whose sum is σ = 103243392. Its totient is φ = 26146560.

The previous prime is 55546721. The next prime is 55546741. The reversal of 55546725 is 52764555.

It is not a de Polignac number, because 55546725 - 2² = 55546721 is a prime.

It is a super-3 number, since 3×55546725³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55546721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21187 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (2150904).

Almost surely, 2^55546725 is an apocalyptic number.

It is an amenable number.

55546725 is a deficient number, since it is larger than the sum of its proper divisors (47696667).

55546725 is a wasteful number, since it uses less digits than its factorization.

55546725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2521 counting only the distinct ones).

The product of its digits is 210000, while the sum is 39.

The square root of 55546725 is about 7452.9675297830. The cubic root of 55546725 is about 381.5511961878.

The spelling of 55546725 in words is "fifty-five million, five hundred forty-six thousand, seven hundred twenty-five".