55503305508 has 96 divisors (see below), whose sum is σ = 163529017344. Its totient is φ = 14276325888.

The previous prime is 55503305489. The next prime is 55503305527. The reversal of 55503305508 is 80550330555.

It is an interprime number because it is at equal distance from previous prime (55503305489) and next prime (55503305527).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 812110 + ... + 877797.

It is an arithmetic number, because the mean of its divisors is an integer number (1703427264).

Almost surely, 2^55503305508 is an apocalyptic number.

It is an amenable number.

55503305508 is an abundant number, since it is smaller than the sum of its proper divisors (108025711836).

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

55503305508 is a wasteful number, since it uses less digits than its factorization.

55503305508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689961 (or 1689959 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 55503305508 in words is "fifty-five billion, five hundred three million, three hundred five thousand, five hundred eight".