54249786 has 24 divisors (see below), whose sum is σ = 117928980. Its totient is φ = 18023616.

The previous prime is 54249781. The next prime is 54249787. The reversal of 54249786 is 68794245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54243225 + 6561 = 7365^2 + 81^2 .

It is not an unprimeable number, because it can be changed into a prime (54249781) 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, 820 + ... + 10448.

Almost surely, 2^54249786 is an apocalyptic number.

54249786 is an abundant number, since it is smaller than the sum of its proper divisors (63679194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54249786 is a wasteful number, since it uses less digits than its factorization.

54249786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950 (or 9947 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 54249786 is about 7365.4454040472. The cubic root of 54249786 is about 378.5582161420.

The spelling of 54249786 in words is "fifty-four million, two hundred forty-nine thousand, seven hundred eighty-six".