54974897525 has 6 divisors (see below), whose sum is σ = 68168872962. Its totient is φ = 43979918000.

The previous prime is 54974897503. The next prime is 54974897557. The reversal of 54974897525 is 52579847945.

It can be written as a sum of positive squares in 3 ways, for example, as 4277421604 + 50697475921 = 65402^2 + 225161^2 .

It is not a de Polignac number, because 54974897525 - 2²⁴ = 54958120309 is a prime.

It is a super-2 number, since 2×54974897525² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1099497926 + ... + 1099497975.

It is an arithmetic number, because the mean of its divisors is an integer number (11361478827).

Almost surely, 2^54974897525 is an apocalyptic number.

It is an amenable number.

54974897525 is a deficient number, since it is larger than the sum of its proper divisors (13193975437).

54974897525 is a wasteful number, since it uses less digits than its factorization.

54974897525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198995911 (or 2198995906 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 65.

The spelling of 54974897525 in words is "fifty-four billion, nine hundred seventy-four million, eight hundred ninety-seven thousand, five hundred twenty-five".