52461820 has 12 divisors (see below), whose sum is σ = 110169864. Its totient is φ = 20984720.

The previous prime is 52461803. The next prime is 52461833. The reversal of 52461820 is 2816425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311526 + ... + 1311565.

It is an arithmetic number, because the mean of its divisors is an integer number (9180822).

Almost surely, 2^52461820 is an apocalyptic number.

It is an amenable number.

52461820 is an abundant number, since it is smaller than the sum of its proper divisors (57708044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52461820 is a wasteful number, since it uses less digits than its factorization.

52461820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623100 (or 2623098 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 52461820 is about 7243.0532236067. The cubic root of 52461820 is about 374.3528274601.

The spelling of 52461820 in words is "fifty-two million, four hundred sixty-one thousand, eight hundred twenty".