55125477135 has 24 divisors (see below), whose sum is σ = 96183625824. Its totient is φ = 29205547200.

The previous prime is 55125477133. The next prime is 55125477161. The reversal of 55125477135 is 53177452155.

55125477135 is a `hidden beast` number, since 5 + 5 + 1 + 2 + 547 + 71 + 35 = 666.

It is not a de Polignac number, because 55125477135 - 2¹ = 55125477133 is a prime.

It is a super-2 number, since 2×55125477135² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125477131) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4049532 + ... + 4063121.

It is an arithmetic number, because the mean of its divisors is an integer number (4007651076).

Almost surely, 2^55125477135 is an apocalyptic number.

55125477135 is a deficient number, since it is larger than the sum of its proper divisors (41058148689).

55125477135 is a wasteful number, since it uses less digits than its factorization.

55125477135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112815 (or 8112812 counting only the distinct ones).

The product of its digits is 735000, while the sum is 45.

The spelling of 55125477135 in words is "fifty-five billion, one hundred twenty-five million, four hundred seventy-seven thousand, one hundred thirty-five".