55375092 has 36 divisors (see below), whose sum is σ = 143393796. Its totient is φ = 18007680.

The previous prime is 55375091. The next prime is 55375097. The reversal of 55375092 is 29057355.

It can be written as a sum of positive squares in 2 ways, for example, as 12916836 + 42458256 = 3594^2 + 6516^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55375091) 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, 17283 + ... + 20234.

It is an arithmetic number, because the mean of its divisors is an integer number (3983161).

Almost surely, 2^55375092 is an apocalyptic number.

It is an amenable number.

55375092 is an abundant number, since it is smaller than the sum of its proper divisors (88018704).

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

55375092 is a wasteful number, since it uses less digits than its factorization.

55375092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37568 (or 37563 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 55375092 is about 7441.4442146669. Note that the first 3 decimals coincide. The cubic root of 55375092 is about 381.1578076105.

The spelling of 55375092 in words is "fifty-five million, three hundred seventy-five thousand, ninety-two".