53142755 has 8 divisors (see below), whose sum is σ = 63815472. Its totient is φ = 42484768.

The previous prime is 53142709. The next prime is 53142763. The reversal of 53142755 is 55724135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53142755 is a prime.

It is a Duffinian number.

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, 7172 + ... + 12558.

It is an arithmetic number, because the mean of its divisors is an integer number (7976934).

Almost surely, 2^53142755 is an apocalyptic number.

53142755 is a deficient number, since it is larger than the sum of its proper divisors (10672717).

53142755 is a wasteful number, since it uses less digits than its factorization.

53142755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365.

The product of its digits is 21000, while the sum is 32.

The square root of 53142755 is about 7289.9077497593. The cubic root of 53142755 is about 375.9655237553.

The spelling of 53142755 in words is "fifty-three million, one hundred forty-two thousand, seven hundred fifty-five".