54140637 has 8 divisors (see below), whose sum is σ = 72222336. Its totient is φ = 36076352.

The previous prime is 54140617. The next prime is 54140687. The reversal of 54140637 is 73604145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54140637 - 2⁶ = 54140573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54140617) 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, 7573 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (9027792).

Almost surely, 2^54140637 is an apocalyptic number.

It is an amenable number.

54140637 is a deficient number, since it is larger than the sum of its proper divisors (18081699).

54140637 is a wasteful number, since it uses less digits than its factorization.

54140637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 54140637 is about 7358.0321418162. The cubic root of 54140637 is about 378.3041629567.

The spelling of 54140637 in words is "fifty-four million, one hundred forty thousand, six hundred thirty-seven".