57506552501 has 4 divisors (see below), whose sum is σ = 59489537100. Its totient is φ = 55523567904.

The previous prime is 57506552479. The next prime is 57506552569. The reversal of 57506552501 is 10525560575.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26708057476 + 30798495025 = 163426^2 + 175495^2 .

It is a cyclic number.

It is not a de Polignac number, because 57506552501 - 2¹⁸ = 57506290357 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 (57502552501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991492256 + ... + 991492313.

It is an arithmetic number, because the mean of its divisors is an integer number (14872384275).

Almost surely, 2^57506552501 is an apocalyptic number.

It is an amenable number.

57506552501 is a deficient number, since it is larger than the sum of its proper divisors (1982984599).

57506552501 is a wasteful number, since it uses less digits than its factorization.

57506552501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982984598.

The product of its (nonzero) digits is 262500, while the sum is 41.

The spelling of 57506552501 in words is "fifty-seven billion, five hundred six million, five hundred fifty-two thousand, five hundred one".