52451857007 has 16 divisors (see below), whose sum is σ = 60357657600. Its totient is φ = 45079453440.

The previous prime is 52451856991. The next prime is 52451857037. The reversal of 52451857007 is 70075815425.

It is a cyclic number.

It is not a de Polignac number, because 52451857007 - 2⁴ = 52451856991 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 (52451857037) 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, 161858 + ... + 362079.

It is an arithmetic number, because the mean of its divisors is an integer number (3772353600).

Almost surely, 2^52451857007 is an apocalyptic number.

52451857007 is a deficient number, since it is larger than the sum of its proper divisors (7905800593).

52451857007 is a wasteful number, since it uses less digits than its factorization.

52451857007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524446.

The product of its (nonzero) digits is 392000, while the sum is 44.

The spelling of 52451857007 in words is "fifty-two billion, four hundred fifty-one million, eight hundred fifty-seven thousand, seven".