54651015645 has 32 divisors (see below), whose sum is σ = 91322560512. Its totient is φ = 27855761472.

The previous prime is 54651015611. The next prime is 54651015673.

54651015645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54651015645 - 2¹⁴ = 54650999261 is a prime.

It is a super-2 number, since 2×54651015645² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54651015597 and 54651015606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333132 + ... + 469338.

It is an arithmetic number, because the mean of its divisors is an integer number (2853830016).

Almost surely, 2^54651015645 is an apocalyptic number.

It is an amenable number.

54651015645 is a deficient number, since it is larger than the sum of its proper divisors (36671544867).

54651015645 is a wasteful number, since it uses less digits than its factorization.

54651015645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137401.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 54651015645 in words is "fifty-four billion, six hundred fifty-one million, fifteen thousand, six hundred forty-five".