55910015 has 32 divisors (see below), whose sum is σ = 78796800. Its totient is φ = 37296000.

The previous prime is 55909969. The next prime is 55910017. The reversal of 55910015 is 51001955.

It is not a de Polignac number, because 55910015 - 2⁸ = 55909759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55910017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370190 + ... + 370340.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^55910015 is an apocalyptic number.

55910015 is a deficient number, since it is larger than the sum of its proper divisors (22886785).

55910015 is a wasteful number, since it uses less digits than its factorization.

55910015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 55910015 is about 7477.2999806080. The cubic root of 55910015 is about 382.3812039417.

The spelling of 55910015 in words is "fifty-five million, nine hundred ten thousand, fifteen".