55142125 has 16 divisors (see below), whose sum is σ = 70424640. Its totient is φ = 43083600.

The previous prime is 55142093. The next prime is 55142141. The reversal of 55142125 is 52124155.

It is not a de Polignac number, because 55142125 - 2⁵ = 55142093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 55142125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246 + ... + 10504.

It is an arithmetic number, because the mean of its divisors is an integer number (4401540).

Almost surely, 2^55142125 is an apocalyptic number.

It is an amenable number.

55142125 is a deficient number, since it is larger than the sum of its proper divisors (15282515).

55142125 is a wasteful number, since it uses less digits than its factorization.

55142125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10317 (or 10307 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 55142125 is about 7425.7743703940. The cubic root of 55142125 is about 380.6225368175.

The spelling of 55142125 in words is "fifty-five million, one hundred forty-two thousand, one hundred twenty-five".