55530050250 has 64 divisors (see below), whose sum is σ = 140273078400. Its totient is φ = 14629587200.

The previous prime is 55530050221. The next prime is 55530050353. The reversal of 55530050250 is 5205003555.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 383775 + ... + 508274.

It is an arithmetic number, because the mean of its divisors is an integer number (2191766850).

Almost surely, 2^55530050250 is an apocalyptic number.

55530050250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55530050250 is an abundant number, since it is smaller than the sum of its proper divisors (84743028150).

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

55530050250 is a wasteful number, since it uses less digits than its factorization.

55530050250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892152 (or 892142 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 30.

It can be divided in two parts, 555300 and 50250, that added together give a triangular number (605550 = T₁₁₀₀).

The spelling of 55530050250 in words is "fifty-five billion, five hundred thirty million, fifty thousand, two hundred fifty".