53378236 has 6 divisors (see below), whose sum is σ = 93411920. Its totient is φ = 26689116.

The previous prime is 53378231. The next prime is 53378243. The reversal of 53378236 is 63287335.

It is a junction number, because it is equal to n+sod(n) for n = 53378195 and 53378204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53378231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672276 + ... + 6672283.

Almost surely, 2^53378236 is an apocalyptic number.

It is an amenable number.

53378236 is a deficient number, since it is larger than the sum of its proper divisors (40033684).

53378236 is a wasteful number, since it uses less digits than its factorization.

53378236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13344563 (or 13344561 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 53378236 is about 7306.0410620253. The cubic root of 53378236 is about 376.5200194878.

Subtracting 53378236 from its reverse (63287335), we obtain a palindrome (9909099).

The spelling of 53378236 in words is "fifty-three million, three hundred seventy-eight thousand, two hundred thirty-six".