53610621072 has 20 divisors (see below), whose sum is σ = 138494104560. Its totient is φ = 17870207008.

The previous prime is 53610621067. The next prime is 53610621083. The reversal of 53610621072 is 27012601635.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558443922 + ... + 558444017.

It is an arithmetic number, because the mean of its divisors is an integer number (6924705228).

Almost surely, 2^53610621072 is an apocalyptic number.

It is an amenable number.

53610621072 is an abundant number, since it is smaller than the sum of its proper divisors (84883483488).

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

53610621072 is a wasteful number, since it uses less digits than its factorization.

53610621072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116887950 (or 1116887944 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 53610621072 in words is "fifty-three billion, six hundred ten million, six hundred twenty-one thousand, seventy-two".