56737075677431 has 2 divisors, whose sum is σ = 56737075677432. Its totient is φ = 56737075677430.

The previous prime is 56737075677419. The next prime is 56737075677487. The reversal of 56737075677431 is 13477657073765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56737075677431 - 2³⁸ = 56462197770487 is a prime.

It is a super-2 number, since 2×56737075677431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56737075667431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28368537838715 + 28368537838716.

It is an arithmetic number, because the mean of its divisors is an integer number (28368537838716).

Almost surely, 2^{56737075677431} is an apocalyptic number.

56737075677431 is a deficient number, since it is larger than the sum of its proper divisors (1).

56737075677431 is an equidigital number, since it uses as much as digits as its factorization.

56737075677431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544546800, while the sum is 68.

The spelling of 56737075677431 in words is "fifty-six trillion, seven hundred thirty-seven billion, seventy-five million, six hundred seventy-seven thousand, four hundred thirty-one".