52030390 has 8 divisors (see below), whose sum is σ = 93654720. Its totient is φ = 20812152.

The previous prime is 52030361. The next prime is 52030409. The reversal of 52030390 is 9303025.

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

It is a super-2 number, since 2×52030390² = 5414322967104200, which contains 22 as substring.

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, 2601510 + ... + 2601529.

It is an arithmetic number, because the mean of its divisors is an integer number (11706840).

Almost surely, 2^52030390 is an apocalyptic number.

52030390 is a deficient number, since it is larger than the sum of its proper divisors (41624330).

52030390 is a wasteful number, since it uses less digits than its factorization.

52030390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203046.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 52030390 is about 7213.2094105190. The cubic root of 52030390 is about 373.3238137099.

The spelling of 52030390 in words is "fifty-two million, thirty thousand, three hundred ninety".