54402786 has 16 divisors (see below), whose sum is σ = 120895200. Its totient is φ = 18134244.

The previous prime is 54402781. The next prime is 54402841. The reversal of 54402786 is 68720445.

It is a self number, because there is not a number n which added to its sum of digits gives 54402786.

It is not an unprimeable number, because it can be changed into a prime (54402781) 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, 503676 + ... + 503783.

It is an arithmetic number, because the mean of its divisors is an integer number (7555950).

Almost surely, 2^54402786 is an apocalyptic number.

54402786 is an abundant number, since it is smaller than the sum of its proper divisors (66492414).

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

54402786 is a wasteful number, since it uses less digits than its factorization.

54402786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007470 (or 1007464 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 54402786 is about 7375.8244284961. The cubic root of 54402786 is about 378.9137631201.

The spelling of 54402786 in words is "fifty-four million, four hundred two thousand, seven hundred eighty-six".