55247373 has 32 divisors (see below), whose sum is σ = 84067200. Its totient is φ = 35849088.

The previous prime is 55247371. The next prime is 55247429. The reversal of 55247373 is 37374255.

It is not a de Polignac number, because 55247373 - 2¹ = 55247371 is a prime.

It is a super-2 number, since 2×55247373² = 6104544446802258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55247371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199311 + ... + 199587.

It is an arithmetic number, because the mean of its divisors is an integer number (2627100).

Almost surely, 2^55247373 is an apocalyptic number.

It is an amenable number.

55247373 is a deficient number, since it is larger than the sum of its proper divisors (28819827).

55247373 is a wasteful number, since it uses less digits than its factorization.

55247373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 452 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 55247373 is about 7432.8576604157. The cubic root of 55247373 is about 380.8645435762.

The spelling of 55247373 in words is "fifty-five million, two hundred forty-seven thousand, three hundred seventy-three".