53491958812 has 6 divisors (see below), whose sum is σ = 93610927928. Its totient is φ = 26745979404.

The previous prime is 53491958809. The next prime is 53491958827. The reversal of 53491958812 is 21885919435.

It is a super-2 number, since 2×53491958812² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6686494848 + ... + 6686494855.

Almost surely, 2^53491958812 is an apocalyptic number.

It is an amenable number.

53491958812 is a deficient number, since it is larger than the sum of its proper divisors (40118969116).

53491958812 is a wasteful number, since it uses less digits than its factorization.

53491958812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372989707 (or 13372989705 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 55.

The spelling of 53491958812 in words is "fifty-three billion, four hundred ninety-one million, nine hundred fifty-eight thousand, eight hundred twelve".