55301994 has 64 divisors (see below), whose sum is σ = 135146880. Its totient is φ = 16623360.

The previous prime is 55301977. The next prime is 55302007. The reversal of 55301994 is 49910355.

55301994 = T₁₀₀ + T₁₀₁ + ... + T₆₉₂.

55301994 is a `hidden beast` number, since 553 + 0 + 19 + 94 = 666.

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, 92962 + ... + 93554.

It is an arithmetic number, because the mean of its divisors is an integer number (2111670).

Almost surely, 2^55301994 is an apocalyptic number.

55301994 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55301994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67573440).

55301994 is an abundant number, since it is smaller than the sum of its proper divisors (79844886).

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

55301994 is a wasteful number, since it uses less digits than its factorization.

55301994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 55301994 is about 7436.5310461263. The cubic root of 55301994 is about 380.9900177185.

The spelling of 55301994 in words is "fifty-five million, three hundred one thousand, nine hundred ninety-four".