52407750 has 32 divisors (see below), whose sum is σ = 130811616. Its totient is φ = 13975200.

The previous prime is 52407743. The next prime is 52407767. The reversal of 52407750 is 5770425.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34189 + ... + 35688.

It is an arithmetic number, because the mean of its divisors is an integer number (4087863).

Almost surely, 2^52407750 is an apocalyptic number.

52407750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52407750 is an abundant number, since it is smaller than the sum of its proper divisors (78403866).

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

52407750 is a wasteful number, since it uses less digits than its factorization.

52407750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69897 (or 69887 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52407750 is about 7239.3197194212. The cubic root of 52407750 is about 374.2241738012.

The spelling of 52407750 in words is "fifty-two million, four hundred seven thousand, seven hundred fifty".