54397636 has 6 divisors (see below), whose sum is σ = 95195870. Its totient is φ = 27198816.

The previous prime is 54397633. The next prime is 54397639. The reversal of 54397636 is 63679345.

It is an interprime number because it is at equal distance from previous prime (54397633) and next prime (54397639).

It can be written as a sum of positive squares in only one way, i.e., 43639236 + 10758400 = 6606^2 + 3280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54397592 and 54397601.

It is not an unprimeable number, because it can be changed into a prime (54397633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6799701 + ... + 6799708.

Almost surely, 2^54397636 is an apocalyptic number.

It is an amenable number.

54397636 is a deficient number, since it is larger than the sum of its proper divisors (40798234).

54397636 is a wasteful number, since it uses less digits than its factorization.

54397636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13599413 (or 13599411 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The square root of 54397636 is about 7375.4753067175. The cubic root of 54397636 is about 378.9018062112.

The spelling of 54397636 in words is "fifty-four million, three hundred ninety-seven thousand, six hundred thirty-six".