55242594 has 32 divisors (see below), whose sum is σ = 133922880. Its totient is φ = 16740000.

The previous prime is 55242581. The next prime is 55242601. The reversal of 55242594 is 49524255.

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, 45907 + ... + 47094.

It is an arithmetic number, because the mean of its divisors is an integer number (4185090).

Almost surely, 2^55242594 is an apocalyptic number.

55242594 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55242594 is an abundant number, since it is smaller than the sum of its proper divisors (78680286).

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

55242594 is a wasteful number, since it uses less digits than its factorization.

55242594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93023 (or 93017 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 55242594 is about 7432.5361754922. The cubic root of 55242594 is about 380.8535614303.

It can be divided in two parts, 5524 and 2594, that added together give a palindrome (8118).

The spelling of 55242594 in words is "fifty-five million, two hundred forty-two thousand, five hundred ninety-four".