53503395506 has 16 divisors (see below), whose sum is σ = 89686402848. Its totient is φ = 23726560800.

The previous prime is 53503395487. The next prime is 53503395527. The reversal of 53503395506 is 60559330535.

It is a super-2 number, since 2×53503395506² (a number of 22 digits) contains 22 as substring.

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, 29657300 + ... + 29659103.

It is an arithmetic number, because the mean of its divisors is an integer number (5605400178).

Almost surely, 2^53503395506 is an apocalyptic number.

53503395506 is a deficient number, since it is larger than the sum of its proper divisors (36183007342).

53503395506 is a wasteful number, since it uses less digits than its factorization.

53503395506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59316457.

The product of its (nonzero) digits is 911250, while the sum is 44.

The spelling of 53503395506 in words is "fifty-three billion, five hundred three million, three hundred ninety-five thousand, five hundred six".