55356611464 has 128 divisors (see below), whose sum is σ = 135464140800. Its totient is φ = 20577312000.

The previous prime is 55356611461. The next prime is 55356611477. The reversal of 55356611464 is 46411665355.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55356611461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1335402 + ... + 1376230.

It is an arithmetic number, because the mean of its divisors is an integer number (1058313600).

Almost surely, 2^55356611464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55356611464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67732070400).

55356611464 is an abundant number, since it is smaller than the sum of its proper divisors (80107529336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55356611464 is a wasteful number, since it uses less digits than its factorization.

55356611464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40955 (or 40951 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The spelling of 55356611464 in words is "fifty-five billion, three hundred fifty-six million, six hundred eleven thousand, four hundred sixty-four".