55613450 has 12 divisors (see below), whose sum is σ = 103441110. Its totient is φ = 22245360.

The previous prime is 55613447. The next prime is 55613489. The reversal of 55613450 is 5431655.

It can be written as a sum of positive squares in 3 ways, for example, as 39828721 + 15784729 = 6311^2 + 3973^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 556085 + ... + 556184.

Almost surely, 2^55613450 is an apocalyptic number.

55613450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55613450 is a deficient number, since it is larger than the sum of its proper divisors (47827660).

55613450 is a wasteful number, since it uses less digits than its factorization.

55613450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112281 (or 1112276 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55613450 is about 7457.4425911300. The cubic root of 55613450 is about 381.7039133595.

The spelling of 55613450 in words is "fifty-five million, six hundred thirteen thousand, four hundred fifty".