54640270357 has 16 divisors (see below), whose sum is σ = 58546659520. Its totient is φ = 50839488000.

The previous prime is 54640270351. The next prime is 54640270369. The reversal of 54640270357 is 75307204645.

It is a cyclic number.

It is not a de Polignac number, because 54640270357 - 2³⁵ = 20280531989 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 (54640270351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744982 + ... + 815032.

It is an arithmetic number, because the mean of its divisors is an integer number (3659166220).

Almost surely, 2^54640270357 is an apocalyptic number.

It is an amenable number.

54640270357 is a deficient number, since it is larger than the sum of its proper divisors (3906389163).

54640270357 is a wasteful number, since it uses less digits than its factorization.

54640270357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70804.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 54640270357 in words is "fifty-four billion, six hundred forty million, two hundred seventy thousand, three hundred fifty-seven".