52509960 has 48 divisors (see below), whose sum is σ = 170658540. Its totient is φ = 14002560.

The previous prime is 52509949. The next prime is 52509979. The reversal of 52509960 is 6990525.

It can be written as a sum of positive squares in 2 ways, for example, as 49028004 + 3481956 = 7002^2 + 1866^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72571 + ... + 73290.

Almost surely, 2^52509960 is an apocalyptic number.

It is an amenable number.

52509960 is an abundant number, since it is smaller than the sum of its proper divisors (118148580).

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

52509960 is a wasteful number, since it uses less digits than its factorization.

52509960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145878 (or 145871 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 52509960 is about 7246.3756457970. The cubic root of 52509960 is about 374.4672969649.

The spelling of 52509960 in words is "fifty-two million, five hundred nine thousand, nine hundred sixty".