55152625 has 16 divisors (see below), whose sum is σ = 75089664. Its totient is φ = 40110000.

The previous prime is 55152623. The next prime is 55152631. The reversal of 55152625 is 52625155.

It is not a de Polignac number, because 55152625 - 2¹ = 55152623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55152623) 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, 18681 + ... + 21430.

It is an arithmetic number, because the mean of its divisors is an integer number (4693104).

Almost surely, 2^55152625 is an apocalyptic number.

55152625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55152625 is a deficient number, since it is larger than the sum of its proper divisors (19937039).

55152625 is a wasteful number, since it uses less digits than its factorization.

55152625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40137 (or 40127 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 55152625 is about 7426.4813337138. The cubic root of 55152625 is about 380.6466942894.

The spelling of 55152625 in words is "fifty-five million, one hundred fifty-two thousand, six hundred twenty-five".