55058700 has 72 divisors (see below), whose sum is σ = 160211968. Its totient is φ = 14598720.

The previous prime is 55058687. The next prime is 55058719. The reversal of 55058700 is 785055.

It is a happy number.

It is a super-3 number, since 3×55058700³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 66489 + ... + 67311.

Almost surely, 2^55058700 is an apocalyptic number.

55058700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55058700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80105984).

55058700 is an abundant number, since it is smaller than the sum of its proper divisors (105153268).

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

55058700 is a wasteful number, since it uses less digits than its factorization.

55058700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 55058700 is about 7420.1549849043. The cubic root of 55058700 is about 380.4304908880.

The spelling of 55058700 in words is "fifty-five million, fifty-eight thousand, seven hundred".