54775431 has 12 divisors (see below), whose sum is σ = 79904760. Its totient is φ = 36154800.

The previous prime is 54775417. The next prime is 54775453. The reversal of 54775431 is 13457745.

It is a happy number.

54775431 is a `hidden beast` number, since 547 + 75 + 43 + 1 = 666.

It is not a de Polignac number, because 54775431 - 2⁹ = 54774919 is a prime.

It is a super-2 number, since 2×54775431² = 6000695682471522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54775031) 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, 29221 + ... + 31038.

It is an arithmetic number, because the mean of its divisors is an integer number (6658730).

Almost surely, 2^54775431 is an apocalyptic number.

54775431 is a deficient number, since it is larger than the sum of its proper divisors (25129329).

54775431 is a wasteful number, since it uses less digits than its factorization.

54775431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60366 (or 60363 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 54775431 is about 7401.0425616936. The cubic root of 54775431 is about 379.7769489707.

The spelling of 54775431 in words is "fifty-four million, seven hundred seventy-five thousand, four hundred thirty-one".