54897783 has 16 divisors (see below), whose sum is σ = 79708800. Its totient is φ = 33475680.

The previous prime is 54897761. The next prime is 54897797. The reversal of 54897783 is 38779845.

It is not a de Polignac number, because 54897783 - 2¹⁰ = 54896759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54897083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14953 + ... + 18258.

It is an arithmetic number, because the mean of its divisors is an integer number (4981800).

Almost surely, 2^54897783 is an apocalyptic number.

54897783 is a deficient number, since it is larger than the sum of its proper divisors (24811017).

54897783 is a wasteful number, since it uses less digits than its factorization.

54897783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33262.

The product of its digits is 1693440, while the sum is 51.

The square root of 54897783 is about 7409.3038134497. The cubic root of 54897783 is about 380.0595082244.

The spelling of 54897783 in words is "fifty-four million, eight hundred ninety-seven thousand, seven hundred eighty-three".