55192015 has 16 divisors (see below), whose sum is σ = 67932000. Its totient is φ = 43034112.

The previous prime is 55192009. The next prime is 55192037. The reversal of 55192015 is 51029155.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55192015 is a prime.

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, 31636 + ... + 33334.

It is an arithmetic number, because the mean of its divisors is an integer number (4245750).

Almost surely, 2^55192015 is an apocalyptic number.

55192015 is a deficient number, since it is larger than the sum of its proper divisors (12739985).

55192015 is a wasteful number, since it uses less digits than its factorization.

55192015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 55192015 is about 7429.1328565318. The cubic root of 55192015 is about 380.7372920032.

The spelling of 55192015 in words is "fifty-five million, one hundred ninety-two thousand, fifteen".