53142270 has 32 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 14149920.

The previous prime is 53142263. The next prime is 53142283. The reversal of 53142270 is 7224135.

It is a self number, because there is not a number n which added to its sum of digits gives 53142270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36211 + ... + 37649.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^53142270 is an apocalyptic number.

53142270 is an abundant number, since it is smaller than the sum of its proper divisors (74591490).

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

53142270 is a wasteful number, since it uses less digits than its factorization.

53142270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 53142270 is about 7289.8744845162. The cubic root of 53142270 is about 375.9643800194.

The spelling of 53142270 in words is "fifty-three million, one hundred forty-two thousand, two hundred seventy".