55413135 has 24 divisors (see below), whose sum is σ = 96230160. Its totient is φ = 29498112.

The previous prime is 55413133. The next prime is 55413167. The reversal of 55413135 is 53131455.

It is a Cunningham number, because it is equal to 7444²-1.

It is not a de Polignac number, because 55413135 - 2¹ = 55413133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55413099 and 55413108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55413133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36471 + ... + 37959.

It is an arithmetic number, because the mean of its divisors is an integer number (4009590).

Almost surely, 2^55413135 is an apocalyptic number.

55413135 is a deficient number, since it is larger than the sum of its proper divisors (40817025).

55413135 is a wasteful number, since it uses less digits than its factorization.

55413135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 2324 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 55413135 is about 7443.9999328318. Note that the first 4 decimals coincide. The cubic root of 55413135 is about 381.2450734829.

It can be divided in two parts, 554 and 13135, that added together give a square (13689 = 117²).

The spelling of 55413135 in words is "fifty-five million, four hundred thirteen thousand, one hundred thirty-five".