53978834 has 16 divisors (see below), whose sum is σ = 99653568. Its totient is φ = 21354192.

The previous prime is 53978833. The next prime is 53978849. The reversal of 53978834 is 43887935.

It is not an unprimeable number, because it can be changed into a prime (53978833) 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, 148112 + ... + 148475.

It is an arithmetic number, because the mean of its divisors is an integer number (6228348).

Almost surely, 2^53978834 is an apocalyptic number.

53978834 is a deficient number, since it is larger than the sum of its proper divisors (45674734).

53978834 is a wasteful number, since it uses less digits than its factorization.

53978834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296609.

The product of its digits is 725760, while the sum is 47.

The square root of 53978834 is about 7347.0289233132. The cubic root of 53978834 is about 377.9269242760.

The spelling of 53978834 in words is "fifty-three million, nine hundred seventy-eight thousand, eight hundred thirty-four".