55152725 has 24 divisors (see below), whose sum is σ = 73105440. Its totient is φ = 41152320.

The previous prime is 55152719. The next prime is 55152733. The reversal of 55152725 is 52725155.

It is not a de Polignac number, because 55152725 - 2⁶ = 55152661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55152691 and 55152700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30959 + ... + 32691.

It is an arithmetic number, because the mean of its divisors is an integer number (3046060).

Almost surely, 2^55152725 is an apocalyptic number.

It is an amenable number.

55152725 is a deficient number, since it is larger than the sum of its proper divisors (17952715).

55152725 is a wasteful number, since it uses less digits than its factorization.

55152725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1824 counting only the distinct ones).

The product of its digits is 17500, while the sum is 32.

The square root of 55152725 is about 7426.4880663743. The cubic root of 55152725 is about 380.6469243458.

The spelling of 55152725 in words is "fifty-five million, one hundred fifty-two thousand, seven hundred twenty-five".