55670057 has 4 divisors (see below), whose sum is σ = 58600080. Its totient is φ = 52740036.

The previous prime is 55670039. The next prime is 55670063. The reversal of 55670057 is 75007655.

55670057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-55670057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55669999 and 55670026.

It is not an unprimeable number, because it can be changed into a prime (55670077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464983 + ... + 1465020.

It is an arithmetic number, because the mean of its divisors is an integer number (14650020).

Almost surely, 2^55670057 is an apocalyptic number.

It is an amenable number.

55670057 is a deficient number, since it is larger than the sum of its proper divisors (2930023).

55670057 is a wasteful number, since it uses less digits than its factorization.

55670057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930022.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 55670057 is about 7461.2369617913. The cubic root of 55670057 is about 381.8333771644.

The spelling of 55670057 in words is "fifty-five million, six hundred seventy thousand, fifty-seven".