55194370 has 64 divisors (see below), whose sum is σ = 126821376. Its totient is φ = 16793280.

The previous prime is 55194367. The next prime is 55194371. The reversal of 55194370 is 7349155.

It is not an unprimeable number, because it can be changed into a prime (55194371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32277 + ... + 33943.

It is an arithmetic number, because the mean of its divisors is an integer number (1981584).

Almost surely, 2^55194370 is an apocalyptic number.

55194370 is an abundant number, since it is smaller than the sum of its proper divisors (71627006).

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

55194370 is a wasteful number, since it uses less digits than its factorization.

55194370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 55194370 is about 7429.2913524777. The cubic root of 55194370 is about 380.7427071801.

It can be divided in two parts, 5519 and 4370, that added together give a palindrome (9889).

The spelling of 55194370 in words is "fifty-five million, one hundred ninety-four thousand, three hundred seventy".