55152615 has 32 divisors (see below), whose sum is σ = 101813760. Its totient is φ = 24971904.

The previous prime is 55152613. The next prime is 55152619. The reversal of 55152615 is 51625155.

It is not a de Polignac number, because 55152615 - 2¹ = 55152613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55152613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8781 + ... + 13689.

It is an arithmetic number, because the mean of its divisors is an integer number (3181680).

Almost surely, 2^55152615 is an apocalyptic number.

55152615 is a deficient number, since it is larger than the sum of its proper divisors (46661145).

55152615 is a wasteful number, since it uses less digits than its factorization.

55152615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031.

The product of its digits is 7500, while the sum is 30.

The square root of 55152615 is about 7426.4806604475. The cubic root of 55152615 is about 380.6466712837.

The spelling of 55152615 in words is "fifty-five million, one hundred fifty-two thousand, six hundred fifteen".