55455513030 has 128 divisors (see below), whose sum is σ = 153305395200. Its totient is φ = 14247902592.

The previous prime is 55455512989. The next prime is 55455513067. The reversal of 55455513030 is 3031555455.

55455513030 is a `hidden beast` number, since 5 + 5 + 45 + 551 + 30 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3805939 + ... + 3820481.

It is an arithmetic number, because the mean of its divisors is an integer number (1197698400).

Almost surely, 2^55455513030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55455513030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76652697600).

55455513030 is an abundant number, since it is smaller than the sum of its proper divisors (97849882170).

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

55455513030 is a wasteful number, since it uses less digits than its factorization.

55455513030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15075 (or 15069 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The spelling of 55455513030 in words is "fifty-five billion, four hundred fifty-five million, five hundred thirteen thousand, thirty".