55051715 has 8 divisors (see below), whose sum is σ = 68340240. Its totient is φ = 42522592.

The previous prime is 55051687. The next prime is 55051727. The reversal of 55051715 is 51715055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55051715 - 2⁶ = 55051651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189689 + ... + 189978.

It is an arithmetic number, because the mean of its divisors is an integer number (8542530).

Almost surely, 2^55051715 is an apocalyptic number.

55051715 is a deficient number, since it is larger than the sum of its proper divisors (13288525).

55051715 is a wasteful number, since it uses less digits than its factorization.

55051715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379701.

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

The square root of 55051715 is about 7419.6842924750. The cubic root of 55051715 is about 380.4144024868.

The spelling of 55051715 in words is "fifty-five million, fifty-one thousand, seven hundred fifteen".