56535501 has 16 divisors (see below), whose sum is σ = 83985408. Its totient is φ = 33534000.

The previous prime is 56535499. The next prime is 56535503. The reversal of 56535501 is 10553565.

It is an interprime number because it is at equal distance from previous prime (56535499) and next prime (56535503).

It is not a de Polignac number, because 56535501 - 2¹ = 56535499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56535503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16675 + ... + 19776.

It is an arithmetic number, because the mean of its divisors is an integer number (5249088).

Almost surely, 2^56535501 is an apocalyptic number.

It is an amenable number.

56535501 is a deficient number, since it is larger than the sum of its proper divisors (27449907).

56535501 is a wasteful number, since it uses less digits than its factorization.

56535501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36512.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 56535501 is about 7519.0093097429. The cubic root of 56535501 is about 383.8018658301.

The spelling of 56535501 in words is "fifty-six million, five hundred thirty-five thousand, five hundred one".