53142455 has 8 divisors (see below), whose sum is σ = 63815904. Its totient is φ = 42484000.

The previous prime is 53142433. The next prime is 53142491. The reversal of 53142455 is 55424135.

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

It is not a de Polignac number, because 53142455 - 2²⁰ = 52093879 is a prime.

It is a Duffinian number.

It is a congruent 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, 6710 + ... + 12300.

It is an arithmetic number, because the mean of its divisors is an integer number (7976988).

Almost surely, 2^53142455 is an apocalyptic number.

53142455 is a deficient number, since it is larger than the sum of its proper divisors (10673449).

53142455 is a wasteful number, since it uses less digits than its factorization.

53142455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497.

The product of its digits is 12000, while the sum is 29.

The square root of 53142455 is about 7289.8871733381. The cubic root of 53142455 is about 375.9648162906.

The spelling of 53142455 in words is "fifty-three million, one hundred forty-two thousand, four hundred fifty-five".