55573299 has 6 divisors (see below), whose sum is σ = 80272556. Its totient is φ = 37048860.

The previous prime is 55573279. The next prime is 55573303. The reversal of 55573299 is 99237555.

55573299 is a `hidden beast` number, since 5 + 557 + 3 + 2 + 99 = 666.

It is not a de Polignac number, because 55573299 - 2¹⁹ = 55049011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55573279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3087397 + ... + 3087414.

Almost surely, 2^55573299 is an apocalyptic number.

55573299 is a deficient number, since it is larger than the sum of its proper divisors (24699257).

55573299 is a wasteful number, since it uses less digits than its factorization.

55573299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174817 (or 6174814 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 55573299 is about 7454.7500964150. The cubic root of 55573299 is about 381.6120322077.

The spelling of 55573299 in words is "fifty-five million, five hundred seventy-three thousand, two hundred ninety-nine".