53031982 has 8 divisors (see below), whose sum is σ = 80291736. Its totient is φ = 26268072.

The previous prime is 53031971. The next prime is 53031991. The reversal of 53031982 is 28913035.

It is a happy number.

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

It is a super-2 number, since 2×53031982² = 5624782229696648, 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, 123693 + ... + 124120.

It is an arithmetic number, because the mean of its divisors is an integer number (10036467).

Almost surely, 2^53031982 is an apocalyptic number.

53031982 is a deficient number, since it is larger than the sum of its proper divisors (27259754).

53031982 is a wasteful number, since it uses less digits than its factorization.

53031982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247922.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 53031982 is about 7282.3060907929. The cubic root of 53031982 is about 375.7041159094.

The spelling of 53031982 in words is "fifty-three million, thirty-one thousand, nine hundred eighty-two".