54136786 has 16 divisors (see below), whose sum is σ = 88851168. Its totient is φ = 24534400.

The previous prime is 54136777. The next prime is 54136787. The reversal of 54136786 is 68763145.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54136787) 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, 4281 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (5553198).

Almost surely, 2^54136786 is an apocalyptic number.

54136786 is a deficient number, since it is larger than the sum of its proper divisors (34714382).

54136786 is a wasteful number, since it uses less digits than its factorization.

54136786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337.

The product of its digits is 120960, while the sum is 40.

The square root of 54136786 is about 7357.7704503470. The cubic root of 54136786 is about 378.2951932071.

The spelling of 54136786 in words is "fifty-four million, one hundred thirty-six thousand, seven hundred eighty-six".