56737501 has 2 divisors, whose sum is σ = 56737502. Its totient is φ = 56737500.

The previous prime is 56737489. The next prime is 56737519. The reversal of 56737501 is 10573765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38118276 + 18619225 = 6174^2 + 4315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56737501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56737001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28368750 + 28368751.

It is an arithmetic number, because the mean of its divisors is an integer number (28368751).

Almost surely, 2^56737501 is an apocalyptic number.

It is an amenable number.

56737501 is a deficient number, since it is larger than the sum of its proper divisors (1).

56737501 is an equidigital number, since it uses as much as digits as its factorization.

56737501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 56737501 is about 7532.4299532090. The cubic root of 56737501 is about 384.2584274782.

The spelling of 56737501 in words is "fifty-six million, seven hundred thirty-seven thousand, five hundred one".