55704057 has 4 divisors (see below), whose sum is σ = 74272080. Its totient is φ = 37136036.

The previous prime is 55704043. The next prime is 55704059. The reversal of 55704057 is 75040755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55704057 - 2⁷ = 55703929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55704059) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9284007 + ... + 9284012.

It is an arithmetic number, because the mean of its divisors is an integer number (18568020).

Almost surely, 2^55704057 is an apocalyptic number.

It is an amenable number.

55704057 is a deficient number, since it is larger than the sum of its proper divisors (18568023).

55704057 is a wasteful number, since it uses less digits than its factorization.

55704057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18568022.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 55704057 is about 7463.5150565936. The cubic root of 55704057 is about 381.9110951423.

The spelling of 55704057 in words is "fifty-five million, seven hundred four thousand, fifty-seven".