55574042 has 4 divisors (see below), whose sum is σ = 83361066. Its totient is φ = 27787020.

The previous prime is 55574039. The next prime is 55574083. The reversal of 55574042 is 24047555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31259281 + 24314761 = 5591^2 + 4931^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13893509 + ... + 13893512.

Almost surely, 2^55574042 is an apocalyptic number.

55574042 is a deficient number, since it is larger than the sum of its proper divisors (27787024).

55574042 is a wasteful number, since it uses less digits than its factorization.

55574042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27787023.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 55574042 is about 7454.7999302463. The cubic root of 55574042 is about 381.6137328834.

The spelling of 55574042 in words is "fifty-five million, five hundred seventy-four thousand, forty-two".