54969687 has 12 divisors (see below), whose sum is σ = 84071520. Its totient is φ = 34490688.

The previous prime is 54969683. The next prime is 54969697. The reversal of 54969687 is 78696945.

54969687 is a `hidden beast` number, since 549 + 6 + 96 + 8 + 7 = 666.

It is not a de Polignac number, because 54969687 - 2² = 54969683 is a prime.

It is a super-3 number, since 3×54969687³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54969683) 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, 179487 + ... + 179792.

It is an arithmetic number, because the mean of its divisors is an integer number (7005960).

Almost surely, 2^54969687 is an apocalyptic number.

54969687 is a deficient number, since it is larger than the sum of its proper divisors (29101833).

54969687 is a wasteful number, since it uses less digits than its factorization.

54969687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359302 (or 359299 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 54969687 is about 7414.1545033807. The cubic root of 54969687 is about 380.2253672380.

The spelling of 54969687 in words is "fifty-four million, nine hundred sixty-nine thousand, six hundred eighty-seven".