55461266465 has 16 divisors (see below), whose sum is σ = 72612288000. Its totient is φ = 40330773120.

The previous prime is 55461266461. The next prime is 55461266477. The reversal of 55461266465 is 56466216455.

It is not a de Polignac number, because 55461266465 - 2² = 55461266461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55461266461) by changing a digit.

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, 459536 + ... + 567534.

It is an arithmetic number, because the mean of its divisors is an integer number (4538268000).

Almost surely, 2^55461266465 is an apocalyptic number.

55461266465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55461266465 is a deficient number, since it is larger than the sum of its proper divisors (17151021535).

55461266465 is a wasteful number, since it uses less digits than its factorization.

55461266465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117352.

The product of its digits is 5184000, while the sum is 50.

The spelling of 55461266465 in words is "fifty-five billion, four hundred sixty-one million, two hundred sixty-six thousand, four hundred sixty-five".