55515488050 has 48 divisors (see below), whose sum is σ = 112723088832. Its totient is φ = 20173630400.

The previous prime is 55515488047. The next prime is 55515488053. The reversal of 55515488050 is 5088451555.

It is an interprime number because it is at equal distance from previous prime (55515488047) and next prime (55515488053).

It is not an unprimeable number, because it can be changed into a prime (55515488053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787347 + ... + 854953.

It is an arithmetic number, because the mean of its divisors is an integer number (2348397684).

Almost surely, 2^55515488050 is an apocalyptic number.

55515488050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55515488050 is an abundant number, since it is smaller than the sum of its proper divisors (57207600782).

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

55515488050 is a wasteful number, since it uses less digits than its factorization.

55515488050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69123 (or 69118 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 46.

It can be divided in two parts, 555154 and 88050, that added together give a square (643204 = 802²).

The spelling of 55515488050 in words is "fifty-five billion, five hundred fifteen million, four hundred eighty-eight thousand, fifty".