54970557 has 4 divisors (see below), whose sum is σ = 73294080. Its totient is φ = 36647036.

The previous prime is 54970523. The next prime is 54970607. The reversal of 54970557 is 75507945.

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 54970557 - 2⁸ = 54970301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54978557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9161757 + ... + 9161762.

It is an arithmetic number, because the mean of its divisors is an integer number (18323520).

Almost surely, 2^54970557 is an apocalyptic number.

It is an amenable number.

54970557 is a deficient number, since it is larger than the sum of its proper divisors (18323523).

54970557 is a wasteful number, since it uses less digits than its factorization.

54970557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18323522.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 54970557 is about 7414.2131747071. The cubic root of 54970557 is about 380.2273731577.

The spelling of 54970557 in words is "fifty-four million, nine hundred seventy thousand, five hundred fifty-seven".