53987019357 has 32 divisors (see below), whose sum is σ = 77086294272. Its totient is φ = 33488953344.

The previous prime is 53987019341. The next prime is 53987019379. The reversal of 53987019357 is 75391078935.

It is not a de Polignac number, because 53987019357 - 2⁴ = 53987019341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53987019297 and 53987019306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53987019557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3232773 + ... + 3249429.

It is an arithmetic number, because the mean of its divisors is an integer number (2408946696).

Almost surely, 2^53987019357 is an apocalyptic number.

It is an amenable number.

53987019357 is a deficient number, since it is larger than the sum of its proper divisors (23099274915).

53987019357 is a wasteful number, since it uses less digits than its factorization.

53987019357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17397.

The product of its (nonzero) digits is 7144200, while the sum is 57.

The spelling of 53987019357 in words is "fifty-three billion, nine hundred eighty-seven million, nineteen thousand, three hundred fifty-seven".