54555251 has 8 divisors (see below), whose sum is σ = 57997200. Its totient is φ = 51170400.

The previous prime is 54555247. The next prime is 54555269. The reversal of 54555251 is 15255545.

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

It is a cyclic number.

It is not a de Polignac number, because 54555251 - 2² = 54555247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54555271) 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, 12296 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (7249650).

Almost surely, 2^54555251 is an apocalyptic number.

54555251 is a deficient number, since it is larger than the sum of its proper divisors (3441949).

54555251 is a wasteful number, since it uses less digits than its factorization.

54555251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28549.

The product of its digits is 25000, while the sum is 32.

The square root of 54555251 is about 7386.1526520916. The cubic root of 54555251 is about 379.2674043381.

The spelling of 54555251 in words is "fifty-four million, five hundred fifty-five thousand, two hundred fifty-one".