55729925 has 12 divisors (see below), whose sum is σ = 70278240. Its totient is φ = 43827120.

The previous prime is 55729913. The next prime is 55729937. The reversal of 55729925 is 52992755.

55729925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55729913) and next prime (55729937).

It is not a de Polignac number, because 55729925 - 2¹⁰ = 55728901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17417 + ... + 20366.

It is an arithmetic number, because the mean of its divisors is an integer number (5856520).

Almost surely, 2^55729925 is an apocalyptic number.

It is an amenable number.

55729925 is a deficient number, since it is larger than the sum of its proper divisors (14548315).

55729925 is a wasteful number, since it uses less digits than its factorization.

55729925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37852 (or 37847 counting only the distinct ones).

The product of its digits is 283500, while the sum is 44.

The square root of 55729925 is about 7465.2478190613. The cubic root of 55729925 is about 381.9702036279.

The spelling of 55729925 in words is "fifty-five million, seven hundred twenty-nine thousand, nine hundred twenty-five".