51583257563045 has 32 divisors (see below), whose sum is σ = 68311823700960. Its totient is φ = 37149842165760.

The previous prime is 51583257563017. The next prime is 51583257563053. The reversal of 51583257563045 is 54036575238515.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 46477460883844 + 5105796679201 = 6817438^2 + 2259601^2 .

It is not a de Polignac number, because 51583257563045 - 2¹⁰ = 51583257562021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3962657 + ... + 10902713.

It is an arithmetic number, because the mean of its divisors is an integer number (2134744490655).

Almost surely, 2^{51583257563045} is an apocalyptic number.

It is an amenable number.

51583257563045 is a deficient number, since it is larger than the sum of its proper divisors (16728566137915).

51583257563045 is a wasteful number, since it uses less digits than its factorization.

51583257563045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942905.

The product of its (nonzero) digits is 75600000, while the sum is 59.

The spelling of 51583257563045 in words is "fifty-one trillion, five hundred eighty-three billion, two hundred fifty-seven million, five hundred sixty-three thousand, forty-five".