53667442 has 12 divisors (see below), whose sum is σ = 82566666. Its totient is φ = 26146880.

The previous prime is 53667431. The next prime is 53667491. The reversal of 53667442 is 24476635.

It can be written as a sum of positive squares in 3 ways, for example, as 50566321 + 3101121 = 7111^2 + 1761^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65934 + ... + 66742.

Almost surely, 2^53667442 is an apocalyptic number.

53667442 is a deficient number, since it is larger than the sum of its proper divisors (28899224).

53667442 is an frugal number, since it uses more digits than its factorization.

53667442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 852 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 53667442 is about 7325.8065767532. The cubic root of 53667442 is about 377.1987966212.

The spelling of 53667442 in words is "fifty-three million, six hundred sixty-seven thousand, four hundred forty-two".