52474821 has 8 divisors (see below), whose sum is σ = 79961664. Its totient is φ = 29985600.

The previous prime is 52474819. The next prime is 52474831. The reversal of 52474821 is 12847425.

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

It is not a de Polignac number, because 52474821 - 2¹ = 52474819 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52474831) 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, 1249380 + ... + 1249421.

It is an arithmetic number, because the mean of its divisors is an integer number (9995208).

Almost surely, 2^52474821 is an apocalyptic number.

It is an amenable number.

52474821 is a deficient number, since it is larger than the sum of its proper divisors (27486843).

52474821 is a wasteful number, since it uses less digits than its factorization.

52474821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498811.

The product of its digits is 17920, while the sum is 33.

The square root of 52474821 is about 7243.9506486447. The cubic root of 52474821 is about 374.3837487353.

The spelling of 52474821 in words is "fifty-two million, four hundred seventy-four thousand, eight hundred twenty-one".