54399436 has 48 divisors (see below), whose sum is σ = 117913600. Its totient is φ = 21384000.

The previous prime is 54399431. The next prime is 54399437. The reversal of 54399436 is 63499345.

54399436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (349920) is a multiple of the sum of its prime divisors (972).

It is a junction number, because it is equal to n+sod(n) for n = 54399392 and 54399401.

It is not an unprimeable number, because it can be changed into a prime (54399431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72061 + ... + 72811.

Almost surely, 2^54399436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54399436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58956800).

54399436 is an abundant number, since it is smaller than the sum of its proper divisors (63514164).

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

54399436 is a wasteful number, since it uses less digits than its factorization.

54399436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 972 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 54399436 is about 7375.5973317420. The cubic root of 54399436 is about 378.9059854108.

Subtracting 54399436 from its reverse (63499345), we obtain a palindrome (9099909).

The spelling of 54399436 in words is "fifty-four million, three hundred ninety-nine thousand, four hundred thirty-six".