53189745 has 24 divisors (see below), whose sum is σ = 98999424. Its totient is φ = 24314976.

The previous prime is 53189729. The next prime is 53189761. The reversal of 53189745 is 54798135.

It is an interprime number because it is at equal distance from previous prime (53189729) and next prime (53189761).

It is not a de Polignac number, because 53189745 - 2⁴ = 53189729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53189697 and 53189706.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35449 + ... + 36918.

It is an arithmetic number, because the mean of its divisors is an integer number (4124976).

Almost surely, 2^53189745 is an apocalyptic number.

It is an amenable number.

53189745 is a deficient number, since it is larger than the sum of its proper divisors (45809679).

53189745 is a wasteful number, since it uses less digits than its factorization.

53189745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72389 (or 72382 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 53189745 is about 7293.1299865010. The cubic root of 53189745 is about 376.0763034558.

The spelling of 53189745 in words is "fifty-three million, one hundred eighty-nine thousand, seven hundred forty-five".