56534501 has 2 divisors, whose sum is σ = 56534502. Its totient is φ = 56534500.

The previous prime is 56534479. The next prime is 56534509. The reversal of 56534501 is 10543565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51825601 + 4708900 = 7199^2 + 2170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56534501 is a prime.

It is a super-2 number, since 2×56534501² = 6392299606638002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56534509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28267250 + 28267251.

It is an arithmetic number, because the mean of its divisors is an integer number (28267251).

Almost surely, 2^56534501 is an apocalyptic number.

It is an amenable number.

56534501 is a deficient number, since it is larger than the sum of its proper divisors (1).

56534501 is an equidigital number, since it uses as much as digits as its factorization.

56534501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 56534501 is about 7518.9428113266. The cubic root of 56534501 is about 383.7996029209.

The spelling of 56534501 in words is "fifty-six million, five hundred thirty-four thousand, five hundred one".