53442546 has 16 divisors (see below), whose sum is σ = 107119584. Its totient is φ = 17775104.

The previous prime is 53442539. The next prime is 53442553. The reversal of 53442546 is 64524435.

It is an interprime number because it is at equal distance from previous prime (53442539) and next prime (53442553).

It is a super-2 number, since 2×53442546² = 5712211445924232, which contains 22 as substring.

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, 6735 + ... + 12338.

It is an arithmetic number, because the mean of its divisors is an integer number (6694974).

Almost surely, 2^53442546 is an apocalyptic number.

53442546 is an abundant number, since it is smaller than the sum of its proper divisors (53677038).

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

53442546 is a wasteful number, since it uses less digits than its factorization.

53442546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19545.

The product of its digits is 57600, while the sum is 33.

The square root of 53442546 is about 7310.4408895770. The cubic root of 53442546 is about 376.6711690101.

The spelling of 53442546 in words is "fifty-three million, four hundred forty-two thousand, five hundred forty-six".