52649501 has 16 divisors (see below), whose sum is σ = 56229888. Its totient is φ = 49215600.

The previous prime is 52649477. The next prime is 52649503. The reversal of 52649501 is 10594625.

It is a happy number.

It is not a de Polignac number, because 52649501 - 2¹⁴ = 52633117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52649503) 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, 169136 + ... + 169446.

It is an arithmetic number, because the mean of its divisors is an integer number (3514368).

Almost surely, 2^52649501 is an apocalyptic number.

It is an amenable number.

52649501 is a deficient number, since it is larger than the sum of its proper divisors (3580387).

52649501 is a wasteful number, since it uses less digits than its factorization.

52649501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 52649501 is about 7255.9975882025. The cubic root of 52649501 is about 374.7987091565.

The spelling of 52649501 in words is "fifty-two million, six hundred forty-nine thousand, five hundred one".