55050515 has 8 divisors (see below), whose sum is σ = 71142288. Its totient is φ = 40652640.

The previous prime is 55050493. The next prime is 55050521. The reversal of 55050515 is 51505055.

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

It is not a de Polignac number, because 55050515 - 2¹² = 55046419 is a prime.

It is a Duffinian number.

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, 423401 + ... + 423530.

It is an arithmetic number, because the mean of its divisors is an integer number (8892786).

Almost surely, 2^55050515 is an apocalyptic number.

55050515 is a deficient number, since it is larger than the sum of its proper divisors (16091773).

55050515 is a wasteful number, since it uses less digits than its factorization.

55050515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846949.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 55050515 is about 7419.6034260599. The cubic root of 55050515 is about 380.4116384155.

The spelling of 55050515 in words is "fifty-five million, fifty thousand, five hundred fifteen".