53721155245 has 8 divisors (see below), whose sum is σ = 65558020320. Its totient is φ = 42248501520.

The previous prime is 53721155233. The next prime is 53721155261. The reversal of 53721155245 is 54255112735.

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

It is not a de Polignac number, because 53721155245 - 2⁹ = 53721154733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53721155198 and 53721155207.

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, 91052511 + ... + 91053100.

It is an arithmetic number, because the mean of its divisors is an integer number (8194752540).

Almost surely, 2^53721155245 is an apocalyptic number.

It is an amenable number.

53721155245 is a deficient number, since it is larger than the sum of its proper divisors (11836865075).

53721155245 is a wasteful number, since it uses less digits than its factorization.

53721155245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182105675.

The product of its digits is 210000, while the sum is 40.

The spelling of 53721155245 in words is "fifty-three billion, seven hundred twenty-one million, one hundred fifty-five thousand, two hundred forty-five".