52920549 has 24 divisors (see below), whose sum is σ = 83678400. Its totient is φ = 31962240.

The previous prime is 52920533. The next prime is 52920577. The reversal of 52920549 is 94502925.

It is a happy number.

It is not a de Polignac number, because 52920549 - 2⁴ = 52920533 is a prime.

It is a super-2 number, since 2×52920549² = 5601169012922802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52920509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34797 + ... + 36285.

It is an arithmetic number, because the mean of its divisors is an integer number (3486600).

Almost surely, 2^52920549 is an apocalyptic number.

It is an amenable number.

52920549 is a deficient number, since it is larger than the sum of its proper divisors (30757851).

52920549 is a wasteful number, since it uses less digits than its factorization.

52920549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1862 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 52920549 is about 7274.6511256554. The cubic root of 52920549 is about 375.4407830245.

The spelling of 52920549 in words is "fifty-two million, nine hundred twenty thousand, five hundred forty-nine".