54657203657 has 8 divisors (see below), whose sum is σ = 65181261696. Its totient is φ = 44812117152.

The previous prime is 54657203647. The next prime is 54657203687. The reversal of 54657203657 is 75630275645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54657203657 - 2¹⁸ = 54656941513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54657203647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169742708 + ... + 169743029.

It is an arithmetic number, because the mean of its divisors is an integer number (8147657712).

Almost surely, 2^54657203657 is an apocalyptic number.

It is an amenable number.

54657203657 is a deficient number, since it is larger than the sum of its proper divisors (10524058039).

54657203657 is a wasteful number, since it uses less digits than its factorization.

54657203657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339485767.

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 54657203657 in words is "fifty-four billion, six hundred fifty-seven million, two hundred three thousand, six hundred fifty-seven".