54670687 has 4 divisors (see below), whose sum is σ = 55181736. Its totient is φ = 54159640.

The previous prime is 54670667. The next prime is 54670703. The reversal of 54670687 is 78607645.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54670687 - 2⁷ = 54670559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54670667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255364 + ... + 255577.

It is an arithmetic number, because the mean of its divisors is an integer number (13795434).

Almost surely, 2^54670687 is an apocalyptic number.

54670687 is a deficient number, since it is larger than the sum of its proper divisors (511049).

54670687 is a wasteful number, since it uses less digits than its factorization.

54670687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511048.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 54670687 is about 7393.9628752111. The cubic root of 54670687 is about 379.5347190820.

The spelling of 54670687 in words is "fifty-four million, six hundred seventy thousand, six hundred eighty-seven".