55006511651 has 16 divisors (see below), whose sum is σ = 67741861824. Its totient is φ = 43494931584.

The previous prime is 55006511647. The next prime is 55006511687. The reversal of 55006511651 is 15611560055.

It is not a de Polignac number, because 55006511651 - 2² = 55006511647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55006511611) 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, 35660 + ... + 333593.

It is an arithmetic number, because the mean of its divisors is an integer number (4233866364).

Almost surely, 2^55006511651 is an apocalyptic number.

55006511651 is a deficient number, since it is larger than the sum of its proper divisors (12735350173).

55006511651 is a wasteful number, since it uses less digits than its factorization.

55006511651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370910.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 55006511651 in words is "fifty-five billion, six million, five hundred eleven thousand, six hundred fifty-one".