52730451 has 12 divisors (see below), whose sum is σ = 76276200. Its totient is φ = 35102880.

The previous prime is 52730449. The next prime is 52730477. The reversal of 52730451 is 15403725.

It is a happy number.

It is not a de Polignac number, because 52730451 - 2¹ = 52730449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52730401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3000 + ... + 10698.

It is an arithmetic number, because the mean of its divisors is an integer number (6356350).

Almost surely, 2^52730451 is an apocalyptic number.

52730451 is a deficient number, since it is larger than the sum of its proper divisors (23545749).

52730451 is a wasteful number, since it uses less digits than its factorization.

52730451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466 (or 8463 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 52730451 is about 7261.5735897944. The cubic root of 52730451 is about 374.9906984360.

The spelling of 52730451 in words is "fifty-two million, seven hundred thirty thousand, four hundred fifty-one".