55764574 has 4 divisors (see below), whose sum is σ = 83646864. Its totient is φ = 27882286.

The previous prime is 55764559. The next prime is 55764613. The reversal of 55764574 is 47546755.

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

It is a super-3 number, since 3×55764574³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55764574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13941142 + ... + 13941145.

It is an arithmetic number, because the mean of its divisors is an integer number (20911716).

Almost surely, 2^55764574 is an apocalyptic number.

55764574 is a deficient number, since it is larger than the sum of its proper divisors (27882290).

55764574 is a wasteful number, since it uses less digits than its factorization.

55764574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27882289.

The product of its digits is 588000, while the sum is 43.

The square root of 55764574 is about 7467.5681449854. The cubic root of 55764574 is about 382.0493480833.

The spelling of 55764574 in words is "fifty-five million, seven hundred sixty-four thousand, five hundred seventy-four".