56472046537 has 2 divisors, whose sum is σ = 56472046538. Its totient is φ = 56472046536.

The previous prime is 56472046523. The next prime is 56472046597. The reversal of 56472046537 is 73564027465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29068886016 + 27403160521 = 170496^2 + 165539^2 .

It is a cyclic number.

It is not a de Polignac number, because 56472046537 - 2⁷ = 56472046409 is a prime.

It is not a weakly prime, because it can be changed into another prime (56472046597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28236023268 + 28236023269.

It is an arithmetic number, because the mean of its divisors is an integer number (28236023269).

Almost surely, 2^56472046537 is an apocalyptic number.

It is an amenable number.

56472046537 is a deficient number, since it is larger than the sum of its proper divisors (1).

56472046537 is an equidigital number, since it uses as much as digits as its factorization.

56472046537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 56472046537 in words is "fifty-six billion, four hundred seventy-two million, forty-six thousand, five hundred thirty-seven".