56465146254 has 128 divisors (see below), whose sum is σ = 127608638976. Its totient is φ = 16511040000.

The previous prime is 56465146223. The next prime is 56465146271. The reversal of 56465146254 is 45264156465.

It is a happy number.

It is a super-2 number, since 2×56465146254² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 63946497 + ... + 63947379.

It is an arithmetic number, because the mean of its divisors is an integer number (996942492).

Almost surely, 2^56465146254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56465146254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63804319488).

56465146254 is an abundant number, since it is smaller than the sum of its proper divisors (71143492722).

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

56465146254 is a wasteful number, since it uses less digits than its factorization.

56465146254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its digits is 3456000, while the sum is 48.

The spelling of 56465146254 in words is "fifty-six billion, four hundred sixty-five million, one hundred forty-six thousand, two hundred fifty-four".