55074600 has 384 divisors, whose sum is σ = 228556800. Its totient is φ = 11923200.

The previous prime is 55074599. The next prime is 55074601. The reversal of 55074600 is 647055.

55074600 is a `hidden beast` number, since 5 + 50 + 7 + 4 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (55074599) and next prime (55074601).

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 (55074601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1171777 + ... + 1171823.

It is an arithmetic number, because the mean of its divisors is an integer number (595200).

Almost surely, 2^55074600 is an apocalyptic number.

55074600 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 55074600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114278400).

55074600 is an abundant number, since it is smaller than the sum of its proper divisors (173482200).

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

55074600 is a wasteful number, since it uses less digits than its factorization.

55074600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 95 counting only the distinct ones).

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

The square root of 55074600 is about 7421.2263137570. The cubic root of 55074600 is about 380.4671079448.

The spelling of 55074600 in words is "fifty-five million, seventy-four thousand, six hundred".