54772257 has 8 divisors (see below), whose sum is σ = 75385600. Its totient is φ = 35336880.

The previous prime is 54772243. The next prime is 54772259. The reversal of 54772257 is 75227745.

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

It is not a de Polignac number, because 54772257 - 2⁷ = 54772129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54772259) 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, 294382 + ... + 294567.

It is an arithmetic number, because the mean of its divisors is an integer number (9423200).

Almost surely, 2^54772257 is an apocalyptic number.

It is an amenable number.

54772257 is a deficient number, since it is larger than the sum of its proper divisors (20613343).

54772257 is a wasteful number, since it uses less digits than its factorization.

54772257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588983.

The product of its digits is 137200, while the sum is 39.

The square root of 54772257 is about 7400.8281293380. The cubic root of 54772257 is about 379.7696133502.

The spelling of 54772257 in words is "fifty-four million, seven hundred seventy-two thousand, two hundred fifty-seven".