55692945 has 48 divisors (see below), whose sum is σ = 120362112. Its totient is φ = 23143680.

The previous prime is 55692943. The next prime is 55692961. The reversal of 55692945 is 54929655.

It is a happy number.

55692945 is a `hidden beast` number, since 556 + 9 + 2 + 94 + 5 = 666.

55692945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55692945 - 2¹ = 55692943 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55692945.

It is not an unprimeable number, because it can be changed into a prime (55692943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4572 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (2507544).

Almost surely, 2^55692945 is an apocalyptic number.

55692945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55692945 is an abundant number, since it is smaller than the sum of its proper divisors (64669167).

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

55692945 is a wasteful number, since it uses less digits than its factorization.

55692945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102 (or 16099 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 55692945 is about 7462.7705981090. The cubic root of 55692945 is about 381.8856985582.

The spelling of 55692945 in words is "fifty-five million, six hundred ninety-two thousand, nine hundred forty-five".