53256028302505 has 16 divisors (see below), whose sum is σ = 75392865874944. Its totient is φ = 35340405877440.

The previous prime is 53256028302497. The next prime is 53256028302511. The reversal of 53256028302505 is 50520382065235.

It is a happy number.

It is not a de Polignac number, because 53256028302505 - 2³ = 53256028302497 is a prime.

It is a Duffinian 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, 24541947442 + ... + 24541949611.

It is an arithmetic number, because the mean of its divisors is an integer number (4712054117184).

Almost surely, 2^{53256028302505} is an apocalyptic number.

It is an amenable number.

53256028302505 is a deficient number, since it is larger than the sum of its proper divisors (22136837572439).

53256028302505 is a wasteful number, since it uses less digits than its factorization.

53256028302505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49083897096.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 53256028302505 in words is "fifty-three trillion, two hundred fifty-six billion, twenty-eight million, three hundred two thousand, five hundred five".