52383440 has 40 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 20894336.

The previous prime is 52383439. The next prime is 52383479. The reversal of 52383440 is 4438325.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37637 + ... + 39003.

It is an arithmetic number, because the mean of its divisors is an integer number (3053376).

Almost surely, 2^52383440 is an apocalyptic number.

It is an amenable number.

52383440 is an abundant number, since it is smaller than the sum of its proper divisors (69751600).

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

52383440 is a wasteful number, since it uses less digits than its factorization.

52383440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 52383440 is about 7237.6404994998. The cubic root of 52383440 is about 374.1663019746.

The spelling of 52383440 in words is "fifty-two million, three hundred eighty-three thousand, four hundred forty".