55615560051 has 8 divisors (see below), whose sum is σ = 75169889680. Its totient is φ = 36569135232.

The previous prime is 55615560047. The next prime is 55615560071. The reversal of 55615560051 is 15006551655.

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

It is not a de Polignac number, because 55615560051 - 2² = 55615560047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55615559991 and 55615560009.

It is not an unprimeable number, because it can be changed into a prime (55615560001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126975946 + ... + 126976383.

It is an arithmetic number, because the mean of its divisors is an integer number (9396236210).

Almost surely, 2^55615560051 is an apocalyptic number.

55615560051 is a deficient number, since it is larger than the sum of its proper divisors (19554329629).

55615560051 is a wasteful number, since it uses less digits than its factorization.

55615560051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253952405.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 55615560051 in words is "fifty-five billion, six hundred fifteen million, five hundred sixty thousand, fifty-one".