55136254525 has 36 divisors (see below), whose sum is σ = 76381560052. Its totient is φ = 39441600000.

The previous prime is 55136254519. The next prime is 55136254531. The reversal of 55136254525 is 52545263155.

It is an interprime number because it is at equal distance from previous prime (55136254519) and next prime (55136254531).

It can be written as a sum of positive squares in 6 ways, for example, as 24753672889 + 30382581636 = 157333^2 + 174306^2 .

It is not a de Polignac number, because 55136254525 - 2⁹ = 55136254013 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 35125 + ... + 333925.

Almost surely, 2^55136254525 is an apocalyptic number.

55136254525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55136254525 is a deficient number, since it is larger than the sum of its proper divisors (21245305527).

55136254525 is a wasteful number, since it uses less digits than its factorization.

55136254525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298894 (or 298878 counting only the distinct ones).

The product of its digits is 900000, while the sum is 43.

The spelling of 55136254525 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-four thousand, five hundred twenty-five".