54395972 has 6 divisors (see below), whose sum is σ = 95192958. Its totient is φ = 27197984.

The previous prime is 54395963. The next prime is 54395981. The reversal of 54395972 is 27959345.

It is an interprime number because it is at equal distance from previous prime (54395963) and next prime (54395981).

It can be written as a sum of positive squares in only one way, i.e., 41550916 + 12845056 = 6446^2 + 3584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6799493 + ... + 6799500.

It is an arithmetic number, because the mean of its divisors is an integer number (15865493).

Almost surely, 2^54395972 is an apocalyptic number.

It is an amenable number.

54395972 is a deficient number, since it is larger than the sum of its proper divisors (40796986).

54395972 is a wasteful number, since it uses less digits than its factorization.

54395972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13598997 (or 13598995 counting only the distinct ones).

The product of its digits is 340200, while the sum is 44.

The square root of 54395972 is about 7375.3624995657. The cubic root of 54395972 is about 378.8979426914.

It can be divided in two parts, 5439 and 5972, that added together give a palindrome (11411).

The spelling of 54395972 in words is "fifty-four million, three hundred ninety-five thousand, nine hundred seventy-two".