55047600 has 150 divisors (see below), whose sum is σ = 197677700. Its totient is φ = 14670720.

The previous prime is 55047593. The next prime is 55047607. The reversal of 55047600 is 674055.

55047600 is a `hidden beast` number, since 5 + 50 + 4 + 7 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (55047593) and next prime (55047607).

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55047607) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 31551 + ... + 33249.

Almost surely, 2^55047600 is an apocalyptic number.

55047600 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 55047600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98838850).

55047600 is an abundant number, since it is smaller than the sum of its proper divisors (142630100).

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

55047600 is a wasteful number, since it uses less digits than its factorization.

55047600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 55047600 is about 7419.4069843890. The cubic root of 55047600 is about 380.4049238583.

The spelling of 55047600 in words is "fifty-five million, forty-seven thousand, six hundred".