54205757 has 4 divisors (see below), whose sum is σ = 55466400. Its totient is φ = 52945116.

The previous prime is 54205729. The next prime is 54205793. The reversal of 54205757 is 75750245.

It is a happy number.

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 54205757 - 2⁶ = 54205693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54205357) 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, 630257 + ... + 630342.

It is an arithmetic number, because the mean of its divisors is an integer number (13866600).

Almost surely, 2^54205757 is an apocalyptic number.

It is an amenable number.

54205757 is a deficient number, since it is larger than the sum of its proper divisors (1260643).

54205757 is a wasteful number, since it uses less digits than its factorization.

54205757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260642.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 54205757 is about 7362.4559081872. The cubic root of 54205757 is about 378.4557761014.

The spelling of 54205757 in words is "fifty-four million, two hundred five thousand, seven hundred fifty-seven".