54625257 has 12 divisors (see below), whose sum is σ = 79341444. Its totient is φ = 36214560.

The previous prime is 54625237. The next prime is 54625271. The reversal of 54625257 is 75252645.

54625257 is a `hidden beast` number, since 5 + 4 + 625 + 25 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17464041 + 37161216 = 4179^2 + 6096^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54625257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54625237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15138 + ... + 18395.

It is an arithmetic number, because the mean of its divisors is an integer number (6611787).

Almost surely, 2^54625257 is an apocalyptic number.

It is an amenable number.

54625257 is a deficient number, since it is larger than the sum of its proper divisors (24716187).

54625257 is a wasteful number, since it uses less digits than its factorization.

54625257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33720 (or 33717 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 54625257 is about 7390.8901358361. The cubic root of 54625257 is about 379.4295619347.

The spelling of 54625257 in words is "fifty-four million, six hundred twenty-five thousand, two hundred fifty-seven".