55407361525 has 6 divisors (see below), whose sum is σ = 68705128322. Its totient is φ = 44325889200.

The previous prime is 55407361433. The next prime is 55407361573. The reversal of 55407361525 is 52516370455.

It can be written as a sum of positive squares in 3 ways, for example, as 9305689156 + 46101672369 = 96466^2 + 214713^2 .

It is not a de Polignac number, because 55407361525 - 2⁹ = 55407361013 is a prime.

It is a super-2 number, since 2×55407361525² (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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1108147206 + ... + 1108147255.

Almost surely, 2^55407361525 is an apocalyptic number.

It is an amenable number.

55407361525 is a deficient number, since it is larger than the sum of its proper divisors (13297766797).

55407361525 is a wasteful number, since it uses less digits than its factorization.

55407361525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216294471 (or 2216294466 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 55407361525 in words is "fifty-five billion, four hundred seven million, three hundred sixty-one thousand, five hundred twenty-five".