53457942 has 16 divisors (see below), whose sum is σ = 107018352. Its totient is φ = 17802240.

The previous prime is 53457931. The next prime is 53457947. The reversal of 53457942 is 24975435.

It is a self number, because there is not a number n which added to its sum of digits gives 53457942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53457947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3642 + ... + 10962.

It is an arithmetic number, because the mean of its divisors is an integer number (6688647).

Almost surely, 2^53457942 is an apocalyptic number.

53457942 is an abundant number, since it is smaller than the sum of its proper divisors (53560410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53457942 is a wasteful number, since it uses less digits than its factorization.

53457942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543.

The product of its digits is 151200, while the sum is 39.

The square root of 53457942 is about 7311.4938282132. The cubic root of 53457942 is about 376.7073366515.

The spelling of 53457942 in words is "fifty-three million, four hundred fifty-seven thousand, nine hundred forty-two".