55074402 has 24 divisors (see below), whose sum is σ = 121111536. Its totient is φ = 18083736.

The previous prime is 55074379. The next prime is 55074403. The reversal of 55074402 is 20447055.

55074402 is a `hidden beast` number, since 550 + 74 + 40 + 2 = 666.

It is a super-3 number, since 3×55074402³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55074403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21628 + ... + 24039.

It is an arithmetic number, because the mean of its divisors is an integer number (5046314).

Almost surely, 2^55074402 is an apocalyptic number.

55074402 is an abundant number, since it is smaller than the sum of its proper divisors (66037134).

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

55074402 is a wasteful number, since it uses less digits than its factorization.

55074402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45742 (or 45739 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 55074402 is about 7421.2129736317. The cubic root of 55074402 is about 380.4666520021.

The spelling of 55074402 in words is "fifty-five million, seventy-four thousand, four hundred two".