53961788894 has 24 divisors (see below), whose sum is σ = 88551635760. Its totient is φ = 24648668928.

The previous prime is 53961788887. The next prime is 53961788953. The reversal of 53961788894 is 49888716935.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790154 + ... + 855725.

It is an arithmetic number, because the mean of its divisors is an integer number (3689651490).

Almost surely, 2^53961788894 is an apocalyptic number.

53961788894 is a deficient number, since it is larger than the sum of its proper divisors (34589846866).

53961788894 is a wasteful number, since it uses less digits than its factorization.

53961788894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646004 (or 1645991 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 68.

The spelling of 53961788894 in words is "fifty-three billion, nine hundred sixty-one million, seven hundred eighty-eight thousand, eight hundred ninety-four".