55135107 has 12 divisors (see below), whose sum is σ = 81738840. Its totient is φ = 36731016.

The previous prime is 55135099. The next prime is 55135109. The reversal of 55135107 is 70153155.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

55135107 is a `hidden beast` number, since 551 + 3 + 5 + 107 = 666.

It is not a de Polignac number, because 55135107 - 2³ = 55135099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55135109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37869 + ... + 39297.

It is an arithmetic number, because the mean of its divisors is an integer number (6811570).

Almost surely, 2^55135107 is an apocalyptic number.

55135107 is a deficient number, since it is larger than the sum of its proper divisors (26603733).

55135107 is an frugal number, since it uses more digits than its factorization.

55135107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 55135107 is about 7425.3018120478. The cubic root of 55135107 is about 380.6063887136.

Multiplying 55135107 by its sum of digits (27), we get a square (1488647889 = 38583²).

55135107 divided by its sum of digits (27) gives a square (2042041 = 1429²).

The spelling of 55135107 in words is "fifty-five million, one hundred thirty-five thousand, one hundred seven".