55454600 has 24 divisors (see below), whose sum is σ = 128932410. Its totient is φ = 22181760.

The previous prime is 55454579. The next prime is 55454611. The reversal of 55454600 is 645455.

It can be written as a sum of positive squares in 3 ways, for example, as 47914084 + 7540516 = 6922^2 + 2746^2 .

It is a super-2 number, since 2×55454600² = 6150425322320000, which contains 22 as substring.

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, 138437 + ... + 138836.

Almost surely, 2^55454600 is an apocalyptic number.

55454600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55454600 is an abundant number, since it is smaller than the sum of its proper divisors (73477810).

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

55454600 is a wasteful number, since it uses less digits than its factorization.

55454600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277289 (or 277280 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 55454600 is about 7446.7845409949. The cubic root of 55454600 is about 381.3401435148.

The spelling of 55454600 in words is "fifty-five million, four hundred fifty-four thousand, six hundred".