545639854 has 16 divisors (see below), whose sum is σ = 867510000. Its totient is φ = 256503424.

The previous prime is 545639839. The next prime is 545639909. The reversal of 545639854 is 458936545.

It is a junction number, because it is equal to n+sod(n) for n = 545639798 and 545639807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26772 + ... + 42520.

It is an arithmetic number, because the mean of its divisors is an integer number (54219375).

Almost surely, 2^545639854 is an apocalyptic number.

545639854 is a deficient number, since it is larger than the sum of its proper divisors (321870146).

545639854 is a wasteful number, since it uses less digits than its factorization.

545639854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16787.

The product of its digits is 2592000, while the sum is 49.

The square root of 545639854 is about 23358.9352068967. The cubic root of 545639854 is about 817.1504571673.

The spelling of 545639854 in words is "five hundred forty-five million, six hundred thirty-nine thousand, eight hundred fifty-four".