53780676 has 12 divisors (see below), whose sum is σ = 125488272. Its totient is φ = 17926888.

The previous prime is 53780663. The next prime is 53780677. The reversal of 53780676 is 67608735.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×53780676² = 5784722222033952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53780677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240850 + ... + 2240873.

It is an arithmetic number, because the mean of its divisors is an integer number (10457356).

Almost surely, 2^53780676 is an apocalyptic number.

It is an amenable number.

53780676 is an abundant number, since it is smaller than the sum of its proper divisors (71707596).

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

53780676 is a wasteful number, since it uses less digits than its factorization.

53780676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481730 (or 4481728 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 53780676 is about 7333.5309367316. The cubic root of 53780676 is about 377.4638966686.

The spelling of 53780676 in words is "fifty-three million, seven hundred eighty thousand, six hundred seventy-six".