54939822 has 16 divisors (see below), whose sum is σ = 125576832. Its totient is φ = 15697080.

The previous prime is 54939821. The next prime is 54939823. The reversal of 54939822 is 22893945.

It is an interprime number because it is at equal distance from previous prime (54939821) and next prime (54939823).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1308091 = 54939822 / (5 + 4 + 9 + 3 + 9 + 8 + 2 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54939821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654004 + ... + 654087.

It is an arithmetic number, because the mean of its divisors is an integer number (7848552).

Almost surely, 2^54939822 is an apocalyptic number.

54939822 is an abundant number, since it is smaller than the sum of its proper divisors (70637010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54939822 is a wasteful number, since it uses less digits than its factorization.

54939822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308103.

The product of its digits is 155520, while the sum is 42.

The square root of 54939822 is about 7412.1401767641. The cubic root of 54939822 is about 380.1564960213.

The spelling of 54939822 in words is "fifty-four million, nine hundred thirty-nine thousand, eight hundred twenty-two".