54867783 has 4 divisors (see below), whose sum is σ = 73157048. Its totient is φ = 36578520.

The previous prime is 54867767. The next prime is 54867793. The reversal of 54867783 is 38776845.

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

It is not a de Polignac number, because 54867783 - 2⁴ = 54867767 is a prime.

It is a super-2 number, since 2×54867783² = 6020947222670178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54867733) 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, 9144628 + ... + 9144633.

It is an arithmetic number, because the mean of its divisors is an integer number (18289262).

Almost surely, 2^54867783 is an apocalyptic number.

54867783 is a deficient number, since it is larger than the sum of its proper divisors (18289265).

54867783 is a wasteful number, since it uses less digits than its factorization.

54867783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289264.

The product of its digits is 1128960, while the sum is 48.

The square root of 54867783 is about 7407.2790550917. The cubic root of 54867783 is about 379.9902652169.

The spelling of 54867783 in words is "fifty-four million, eight hundred sixty-seven thousand, seven hundred eighty-three".