55745235 has 48 divisors (see below), whose sum is σ = 118931904. Its totient is φ = 23521536.

The previous prime is 55745231. The next prime is 55745237. The reversal of 55745235 is 53254755.

55745235 is a `hidden beast` number, since 5 + 574 + 52 + 35 = 666.

It is not a de Polignac number, because 55745235 - 2² = 55745231 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55745235.

It is not an unprimeable number, because it can be changed into a prime (55745231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2712 + ... + 10901.

It is an arithmetic number, because the mean of its divisors is an integer number (2477748).

Almost surely, 2^55745235 is an apocalyptic number.

55745235 is an abundant number, since it is smaller than the sum of its proper divisors (63186669).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55745235 is a wasteful number, since it uses less digits than its factorization.

55745235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13644 (or 13641 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 55745235 is about 7466.2731667144. The cubic root of 55745235 is about 382.0051784245.

The spelling of 55745235 in words is "fifty-five million, seven hundred forty-five thousand, two hundred thirty-five".