54989782 has 8 divisors (see below), whose sum is σ = 82577952. Its totient is φ = 27463800.

The previous prime is 54989777. The next prime is 54989801. The reversal of 54989782 is 28798945.

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

It is a super-2 number, since 2×54989782² = 6047752248815048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13269 + ... + 16912.

It is an arithmetic number, because the mean of its divisors is an integer number (10322244).

Almost surely, 2^54989782 is an apocalyptic number.

54989782 is a deficient number, since it is larger than the sum of its proper divisors (27588170).

54989782 is a wasteful number, since it uses less digits than its factorization.

54989782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31094.

The product of its digits is 1451520, while the sum is 52.

The square root of 54989782 is about 7415.5095576771. The cubic root of 54989782 is about 380.2716939701.

The spelling of 54989782 in words is "fifty-four million, nine hundred eighty-nine thousand, seven hundred eighty-two".