53980378 has 16 divisors (see below), whose sum is σ = 82244736. Its totient is φ = 26568000.

The previous prime is 53980357. The next prime is 53980391. The reversal of 53980378 is 87308935.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71503 + ... + 72253.

It is an arithmetic number, because the mean of its divisors is an integer number (5140296).

Almost surely, 2^53980378 is an apocalyptic number.

53980378 is a deficient number, since it is larger than the sum of its proper divisors (28264358).

53980378 is a wasteful number, since it uses less digits than its factorization.

53980378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 53980378 is about 7347.1339990502. The cubic root of 53980378 is about 377.9305276242.

The spelling of 53980378 in words is "fifty-three million, nine hundred eighty thousand, three hundred seventy-eight".