55303450 has 12 divisors (see below), whose sum is σ = 102864510. Its totient is φ = 22121360.

The previous prime is 55303427. The next prime is 55303463. The reversal of 55303450 is 5430355.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 39803481 + 15499969 = 6309^2 + 3937^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552985 + ... + 553084.

Almost surely, 2^55303450 is an apocalyptic number.

55303450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55303450 is a deficient number, since it is larger than the sum of its proper divisors (47561060).

55303450 is a wasteful number, since it uses less digits than its factorization.

55303450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106081 (or 1106076 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 55303450 is about 7436.6289405886. The cubic root of 55303450 is about 380.9933612785.

The spelling of 55303450 in words is "fifty-five million, three hundred three thousand, four hundred fifty".