57273206815 has 16 divisors (see below), whose sum is σ = 75123171360. Its totient is φ = 41571387520.

The previous prime is 57273206813. The next prime is 57273206863. The reversal of 57273206815 is 51860237275.

It is not a de Polignac number, because 57273206815 - 2¹ = 57273206813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57273206813) 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, 994924 + ... + 1050913.

It is an arithmetic number, because the mean of its divisors is an integer number (4695198210).

Almost surely, 2^57273206815 is an apocalyptic number.

57273206815 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57273206815 is a deficient number, since it is larger than the sum of its proper divisors (17849964545).

57273206815 is a wasteful number, since it uses less digits than its factorization.

57273206815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046362.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 57273206815 in words is "fifty-seven billion, two hundred seventy-three million, two hundred six thousand, eight hundred fifteen".