52920537 has 8 divisors (see below), whose sum is σ = 70598304. Its totient is φ = 35261568.

The previous prime is 52920533. The next prime is 52920577. The reversal of 52920537 is 73502925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52920537 - 2² = 52920533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52920498 and 52920507.

It is not an unprimeable number, because it can be changed into a prime (52920533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4378 + ... + 11180.

It is an arithmetic number, because the mean of its divisors is an integer number (8824788).

Almost surely, 2^52920537 is an apocalyptic number.

It is an amenable number.

52920537 is a deficient number, since it is larger than the sum of its proper divisors (17677767).

52920537 is a wasteful number, since it uses less digits than its factorization.

52920537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9399.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 52920537 is about 7274.6503008736. The cubic root of 52920537 is about 375.4407546468.

The spelling of 52920537 in words is "fifty-two million, nine hundred twenty thousand, five hundred thirty-seven".