53780692 has 12 divisors (see below), whose sum is σ = 107561440. Its totient is φ = 23048856.

The previous prime is 53780689. The next prime is 53780717. The reversal of 53780692 is 29608735.

53780692 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960342 + ... + 960397.

Almost surely, 2^53780692 is an apocalyptic number.

It is an amenable number.

53780692 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53780692 is a wasteful number, since it uses less digits than its factorization.

53780692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920750 (or 1920748 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 53780692 is about 7333.5320276113. The cubic root of 53780692 is about 377.4639341010.

The spelling of 53780692 in words is "fifty-three million, seven hundred eighty thousand, six hundred ninety-two".