55751015 has 4 divisors (see below), whose sum is σ = 66901224. Its totient is φ = 44600808.

The previous prime is 55750999. The next prime is 55751023. The reversal of 55751015 is 51015755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55751015 - 2⁴ = 55750999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5575097 + ... + 5575106.

It is an arithmetic number, because the mean of its divisors is an integer number (16725306).

Almost surely, 2^55751015 is an apocalyptic number.

55751015 is a deficient number, since it is larger than the sum of its proper divisors (11150209).

55751015 is a wasteful number, since it uses less digits than its factorization.

55751015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11150208.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 55751015 is about 7466.6602306520. The cubic root of 55751015 is about 382.0183808302.

The spelling of 55751015 in words is "fifty-five million, seven hundred fifty-one thousand, fifteen".