52981942 has 16 divisors (see below), whose sum is σ = 86088240. Its totient is φ = 24309792.

The previous prime is 52981939. The next prime is 52981969. The reversal of 52981942 is 24918925.

It is a junction number, because it is equal to n+sod(n) for n = 52981895 and 52981904.

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, 1392 + ... + 10387.

It is an arithmetic number, because the mean of its divisors is an integer number (5380515).

Almost surely, 2^52981942 is an apocalyptic number.

52981942 is a deficient number, since it is larger than the sum of its proper divisors (33106298).

52981942 is a wasteful number, since it uses less digits than its factorization.

52981942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11967.

The product of its digits is 51840, while the sum is 40.

The square root of 52981942 is about 7278.8695550889. The cubic root of 52981942 is about 375.5859095647.

The spelling of 52981942 in words is "fifty-two million, nine hundred eighty-one thousand, nine hundred forty-two".