54445677613425 has 672 divisors, whose sum is σ = 122499242880000. Its totient is φ = 23966104780800.

The previous prime is 54445677613421. The next prime is 54445677613441. The reversal of 54445677613425 is 52431677654445.

54445677613425 is a `hidden beast` number, since 5 + 4 + 4 + 4 + 5 + 6 + 7 + 7 + 613 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 54445677613425 - 2² = 54445677613421 is a prime.

It is a super-3 number, since 3×54445677613425³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (54445677613421) by changing a digit.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 20247554481 + ... + 20247557169.

It is an arithmetic number, because the mean of its divisors is an integer number (182290540000).

Almost surely, 2^{54445677613425} is an apocalyptic number.

It is an amenable number.

54445677613425 is an abundant number, since it is smaller than the sum of its proper divisors (68053565266575).

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

54445677613425 is an equidigital number, since it uses as much as digits as its factorization.

54445677613425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2824 counting only the distinct ones).

The product of its digits is 338688000, while the sum is 63.

The spelling of 54445677613425 in words is "fifty-four trillion, four hundred forty-five billion, six hundred seventy-seven million, six hundred thirteen thousand, four hundred twenty-five".