55452237 has 8 divisors (see below), whose sum is σ = 74009760. Its totient is φ = 36931440.

The previous prime is 55452223. The next prime is 55452239. The reversal of 55452237 is 73225455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55452237 - 2⁷ = 55452109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55452198 and 55452207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55452239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5439 + ... + 11852.

It is an arithmetic number, because the mean of its divisors is an integer number (9251220).

Almost surely, 2^55452237 is an apocalyptic number.

It is an amenable number.

55452237 is a deficient number, since it is larger than the sum of its proper divisors (18557523).

55452237 is a wasteful number, since it uses less digits than its factorization.

55452237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18363.

The product of its digits is 42000, while the sum is 33.

The square root of 55452237 is about 7446.6258802225. The cubic root of 55452237 is about 381.3347269545.

The spelling of 55452237 in words is "fifty-five million, four hundred fifty-two thousand, two hundred thirty-seven".