57054577321 has 9 divisors (see below), whose sum is σ = 66371555421. Its totient is φ = 48902490252.

The previous prime is 57054577303. The next prime is 57054577339. The reversal of 57054577321 is 12377545075.

The square root of 57054577321 is 238861.

It is a perfect power (a square), and thus also a powerful number.

57054577321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57054577303) and next prime (57054577339).

It is not a de Polignac number, because 57054577321 - 2¹³ = 57054569129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57054577361) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1654966 + ... + 1689088.

It is an arithmetic number, because the mean of its divisors is an integer number (7374617269).

Almost surely, 2^57054577321 is an apocalyptic number.

57054577321 is the 238861-st square number.

57054577321 is the 119431-st centered octagonal number.

It is an amenable number.

57054577321 is a deficient number, since it is larger than the sum of its proper divisors (9316978100).

57054577321 is an frugal number, since it uses more digits than its factorization.

57054577321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68260 (or 34130 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 46.

The spelling of 57054577321 in words is "fifty-seven billion, fifty-four million, five hundred seventy-seven thousand, three hundred twenty-one".