54615463651 has 16 divisors (see below), whose sum is σ = 63701598400. Its totient is φ = 46805834880.

The previous prime is 54615463613. The next prime is 54615463663. The reversal of 54615463651 is 15636451645.

It is a happy number.

It is not a de Polignac number, because 54615463651 - 2¹³ = 54615455459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54615463601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4286971 + ... + 4299691.

It is an arithmetic number, because the mean of its divisors is an integer number (3981349900).

Almost surely, 2^54615463651 is an apocalyptic number.

54615463651 is a deficient number, since it is larger than the sum of its proper divisors (9086134749).

54615463651 is a wasteful number, since it uses less digits than its factorization.

54615463651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25259 (or 25245 counting only the distinct ones).

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

The spelling of 54615463651 in words is "fifty-four billion, six hundred fifteen million, four hundred sixty-three thousand, six hundred fifty-one".