53881057478 has 8 divisors (see below), whose sum is σ = 82346521968. Its totient is φ = 26432216824.

The previous prime is 53881057457. The next prime is 53881057487. The reversal of 53881057478 is 87475018835.

53881057478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 254155826 + ... + 254156037.

It is an arithmetic number, because the mean of its divisors is an integer number (10293315246).

Almost surely, 2^53881057478 is an apocalyptic number.

53881057478 is a deficient number, since it is larger than the sum of its proper divisors (28465464490).

53881057478 is a wasteful number, since it uses less digits than its factorization.

53881057478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508311918.

The product of its (nonzero) digits is 7526400, while the sum is 56.

The spelling of 53881057478 in words is "fifty-three billion, eight hundred eighty-one million, fifty-seven thousand, four hundred seventy-eight".