53342920 has 32 divisors (see below), whose sum is σ = 120511800. Its totient is φ = 21250048.

The previous prime is 53342897. The next prime is 53342929. The reversal of 53342920 is 2924335.

It can be written as a sum of positive squares in 4 ways, for example, as 53319204 + 23716 = 7302^2 + 154^2 .

It is a super-2 number, since 2×53342920² = 5690934228252800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53342929) 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, 7686 + ... + 12874.

Almost surely, 2^53342920 is an apocalyptic number.

It is an amenable number.

53342920 is an abundant number, since it is smaller than the sum of its proper divisors (67168880).

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

53342920 is a wasteful number, since it uses less digits than its factorization.

53342920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 53342920 is about 7303.6237581080. The cubic root of 53342920 is about 376.4369636980.

The spelling of 53342920 in words is "fifty-three million, three hundred forty-two thousand, nine hundred twenty".