53759021755 has 4 divisors (see below), whose sum is σ = 64510826112. Its totient is φ = 43007217400.

The previous prime is 53759021737. The next prime is 53759021809. The reversal of 53759021755 is 55712095735.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53759021755 - 2²⁷ = 53624804027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53759021699 and 53759021708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5375902171 + ... + 5375902180.

It is an arithmetic number, because the mean of its divisors is an integer number (16127706528).

Almost surely, 2^53759021755 is an apocalyptic number.

53759021755 is a deficient number, since it is larger than the sum of its proper divisors (10751804357).

53759021755 is a wasteful number, since it uses less digits than its factorization.

53759021755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10751804356.

The product of its (nonzero) digits is 1653750, while the sum is 49.

The spelling of 53759021755 in words is "fifty-three billion, seven hundred fifty-nine million, twenty-one thousand, seven hundred fifty-five".