54402687 has 12 divisors (see below), whose sum is σ = 78647920. Its totient is φ = 36237888.

The previous prime is 54402683. The next prime is 54402707. The reversal of 54402687 is 78620445.

It is not a de Polignac number, because 54402687 - 2² = 54402683 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54402683) 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, 15303 + ... + 18519.

Almost surely, 2^54402687 is an apocalyptic number.

54402687 is a deficient number, since it is larger than the sum of its proper divisors (24245233).

54402687 is a wasteful number, since it uses less digits than its factorization.

54402687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102 (or 5099 counting only the distinct ones).

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

The square root of 54402687 is about 7375.8177173789. The cubic root of 54402687 is about 378.9135332760.

The spelling of 54402687 in words is "fifty-four million, four hundred two thousand, six hundred eighty-seven".