55488294 has 32 divisors (see below), whose sum is σ = 125936640. Its totient is φ = 18101736.

The previous prime is 55488269. The next prime is 55488313. The reversal of 55488294 is 49288455.

55488294 is a `hidden beast` number, since 554 + 8 + 8 + 2 + 94 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8394 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (3935520).

Almost surely, 2^55488294 is an apocalyptic number.

55488294 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55488294 is an abundant number, since it is smaller than the sum of its proper divisors (70448346).

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

55488294 is a wasteful number, since it uses less digits than its factorization.

55488294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21921 (or 21915 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 55488294 is about 7449.0465161657. The cubic root of 55488294 is about 381.4173614755.

The spelling of 55488294 in words is "fifty-five million, four hundred eighty-eight thousand, two hundred ninety-four".