55551010610 has 32 divisors (see below), whose sum is σ = 103459682160. Its totient is φ = 21450062592.

The previous prime is 55551010597. The next prime is 55551010637. The reversal of 55551010610 is 1601015555.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 21480126721 + 34070883889 = 146561^2 + 184583^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1805072 + ... + 1835588.

Almost surely, 2^55551010610 is an apocalyptic number.

55551010610 is a deficient number, since it is larger than the sum of its proper divisors (47908671550).

55551010610 is a wasteful number, since it uses less digits than its factorization.

55551010610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36830.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55551010610 in words is "fifty-five billion, five hundred fifty-one million, ten thousand, six hundred ten".