53659397500 has 30 divisors (see below), whose sum is σ = 117342375920. Its totient is φ = 21463758000.

The previous prime is 53659397483. The next prime is 53659397503. The reversal of 53659397500 is 579395635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53659397503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10729380 + ... + 10734379.

Almost surely, 2^53659397500 is an apocalyptic number.

53659397500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53659397500 is an abundant number, since it is smaller than the sum of its proper divisors (63682978420).

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

53659397500 is a wasteful number, since it uses less digits than its factorization.

53659397500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21463783 (or 21463766 counting only the distinct ones).

The product of its (nonzero) digits is 3827250, while the sum is 52.

The spelling of 53659397500 in words is "fifty-three billion, six hundred fifty-nine million, three hundred ninety-seven thousand, five hundred".