55555550651 has 8 divisors (see below), whose sum is σ = 55844465904. Its totient is φ = 55267350880.

The previous prime is 55555550623. The next prime is 55555550683. The reversal of 55555550651 is 15605555555.

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 55555550651 - 2²⁶ = 55488441787 is a prime.

It is a super-3 number, since 3×55555550651³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55555550596 and 55555550605.

It is not an unprimeable number, because it can be changed into a prime (55555559651) 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, 22820 + ... + 334113.

It is an arithmetic number, because the mean of its divisors is an integer number (6980558238).

Almost surely, 2^55555550651 is an apocalyptic number.

55555550651 is a deficient number, since it is larger than the sum of its proper divisors (288915253).

55555550651 is a wasteful number, since it uses less digits than its factorization.

55555550651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357741.

The product of its (nonzero) digits is 2343750, while the sum is 47.

The spelling of 55555550651 in words is "fifty-five billion, five hundred fifty-five million, five hundred fifty thousand, six hundred fifty-one".