53015455 has 8 divisors (see below), whose sum is σ = 63658512. Its totient is φ = 42385728.

The previous prime is 53015449. The next prime is 53015471. The reversal of 53015455 is 55451035.

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

It is a cyclic number.

It is not a de Polignac number, because 53015455 - 2⁹ = 53014943 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, 11152 + ... + 15178.

It is an arithmetic number, because the mean of its divisors is an integer number (7957314).

Almost surely, 2^53015455 is an apocalyptic number.

53015455 is a deficient number, since it is larger than the sum of its proper divisors (10643057).

53015455 is a wasteful number, since it uses less digits than its factorization.

53015455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 53015455 is about 7281.1712656687. The cubic root of 53015455 is about 375.6650834437.

The spelling of 53015455 in words is "fifty-three million, fifteen thousand, four hundred fifty-five".