55342450 has 24 divisors (see below), whose sum is σ = 103296960. Its totient is φ = 22059600.

The previous prime is 55342447. The next prime is 55342457. The reversal of 55342450 is 5424355.

It is not an unprimeable number, because it can be changed into a prime (55342457) 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, 13771 + ... + 17329.

It is an arithmetic number, because the mean of its divisors is an integer number (4304040).

Almost surely, 2^55342450 is an apocalyptic number.

55342450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55342450 is a deficient number, since it is larger than the sum of its proper divisors (47954510).

55342450 is a wasteful number, since it uses less digits than its factorization.

55342450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3877 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 55342450 is about 7439.2506343045. The cubic root of 55342450 is about 381.0828990901.

The spelling of 55342450 in words is "fifty-five million, three hundred forty-two thousand, four hundred fifty".