53451491984 has 40 divisors (see below), whose sum is σ = 116872787520. Its totient is φ = 23458332800.

The previous prime is 53451491917. The next prime is 53451492011. The reversal of 53451491984 is 48919415435.

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, 5231132 + ... + 5241339.

It is an arithmetic number, because the mean of its divisors is an integer number (2921819688).

Almost surely, 2^53451491984 is an apocalyptic number.

It is an amenable number.

53451491984 is an abundant number, since it is smaller than the sum of its proper divisors (63421295536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53451491984 is a wasteful number, since it uses less digits than its factorization.

53451491984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472519 (or 10472513 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 53.

The spelling of 53451491984 in words is "fifty-three billion, four hundred fifty-one million, four hundred ninety-one thousand, nine hundred eighty-four".