54775251 has 8 divisors (see below), whose sum is σ = 81148560. Its totient is φ = 36516816.

The previous prime is 54775223. The next prime is 54775289. The reversal of 54775251 is 15257745.

It is not a de Polignac number, because 54775251 - 2⁵ = 54775219 is a prime.

It is a super-2 number, since 2×54775251² = 6000656244226002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54775291) 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, 1014330 + ... + 1014383.

It is an arithmetic number, because the mean of its divisors is an integer number (10143570).

Almost surely, 2^54775251 is an apocalyptic number.

54775251 is a deficient number, since it is larger than the sum of its proper divisors (26373309).

54775251 is a wasteful number, since it uses less digits than its factorization.

54775251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028722 (or 2028716 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 54775251 is about 7401.0304012347. The cubic root of 54775251 is about 379.7765329695.

The spelling of 54775251 in words is "fifty-four million, seven hundred seventy-five thousand, two hundred fifty-one".