55542125 has 16 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 42499600.

The previous prime is 55542121. The next prime is 55542127. The reversal of 55542125 is 52124555.

It is not a de Polignac number, because 55542125 - 2² = 55542121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55542121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6785 + ... + 12534.

It is an arithmetic number, because the mean of its divisors is an integer number (4520880).

Almost surely, 2^55542125 is an apocalyptic number.

It is an amenable number.

55542125 is a deficient number, since it is larger than the sum of its proper divisors (16791955).

55542125 is a wasteful number, since it uses less digits than its factorization.

55542125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19357 (or 19347 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 55542125 is about 7452.6589214857. The cubic root of 55542125 is about 381.5406634099.

The spelling of 55542125 in words is "fifty-five million, five hundred forty-two thousand, one hundred twenty-five".