53937620436 has 72 divisors (see below), whose sum is σ = 152767460160. Its totient is φ = 14740712448.

The previous prime is 53937620423. The next prime is 53937620447. The reversal of 53937620436 is 63402673935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980621 + ... + 2007668.

It is an arithmetic number, because the mean of its divisors is an integer number (2121770280).

Almost surely, 2^53937620436 is an apocalyptic number.

It is an amenable number.

53937620436 is an abundant number, since it is smaller than the sum of its proper divisors (98829839724).

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

53937620436 is a wasteful number, since it uses less digits than its factorization.

53937620436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988333 (or 3988324 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 48.

The spelling of 53937620436 in words is "fifty-three billion, nine hundred thirty-seven million, six hundred twenty thousand, four hundred thirty-six".