57952207091 has 4 divisors (see below), whose sum is σ = 57976426872. Its totient is φ = 57927987312.

The previous prime is 57952207081. The next prime is 57952207139. The reversal of 57952207091 is 19070225975.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57952207091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57952207031) 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, 12106301 + ... + 12111086.

It is an arithmetic number, because the mean of its divisors is an integer number (14494106718).

Almost surely, 2^57952207091 is an apocalyptic number.

57952207091 is a deficient number, since it is larger than the sum of its proper divisors (24219781).

57952207091 is a wasteful number, since it uses less digits than its factorization.

57952207091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24219780.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 57952207091 in words is "fifty-seven billion, nine hundred fifty-two million, two hundred seven thousand, ninety-one".