55550556051 has 16 divisors (see below), whose sum is σ = 78321481728. Its totient is φ = 34964942400.

The previous prime is 55550556049. The next prime is 55550556067. The reversal of 55550556051 is 15065505555.

It is not a de Polignac number, because 55550556051 - 2¹ = 55550556049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55550555994 and 55550556012.

It is not an unprimeable number, because it can be changed into a prime (55550556001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7280551 + ... + 7288176.

It is an arithmetic number, because the mean of its divisors is an integer number (4895092608).

Almost surely, 2^55550556051 is an apocalyptic number.

55550556051 is a deficient number, since it is larger than the sum of its proper divisors (22770925677).

55550556051 is a wasteful number, since it uses less digits than its factorization.

55550556051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14568802.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 55550556051 in words is "fifty-five billion, five hundred fifty million, five hundred fifty-six thousand, fifty-one".