53499742 has 4 divisors (see below), whose sum is σ = 80249616. Its totient is φ = 26749870.

The previous prime is 53499739. The next prime is 53499841. The reversal of 53499742 is 24799435.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13374934 + ... + 13374937.

It is an arithmetic number, because the mean of its divisors is an integer number (20062404).

Almost surely, 2^53499742 is an apocalyptic number.

53499742 is a deficient number, since it is larger than the sum of its proper divisors (26749874).

53499742 is a wasteful number, since it uses less digits than its factorization.

53499742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26749873.

The product of its digits is 272160, while the sum is 43.

The square root of 53499742 is about 7314.3517826257. The cubic root of 53499742 is about 376.8054964616.

The spelling of 53499742 in words is "fifty-three million, four hundred ninety-nine thousand, seven hundred forty-two".