53075442 has 16 divisors (see below), whose sum is σ = 121315392. Its totient is φ = 15164400.

The previous prime is 53075437. The next prime is 53075461. The reversal of 53075442 is 24457035.

It is a super-3 number, since 3×53075442³ (a number of 24 digits) contains 333 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, 631809 + ... + 631892.

It is an arithmetic number, because the mean of its divisors is an integer number (7582212).

Almost surely, 2^53075442 is an apocalyptic number.

53075442 is an abundant number, since it is smaller than the sum of its proper divisors (68239950).

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

53075442 is a wasteful number, since it uses less digits than its factorization.

53075442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263713.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 53075442 is about 7285.2894245871. The cubic root of 53075442 is about 375.8067184144.

The spelling of 53075442 in words is "fifty-three million, seventy-five thousand, four hundred forty-two".