53678650 has 12 divisors (see below), whose sum is σ = 99842382. Its totient is φ = 21471440.

The previous prime is 53678633. The next prime is 53678689. The reversal of 53678650 is 5687635.

It can be written as a sum of positive squares in 3 ways, for example, as 48066489 + 5612161 = 6933^2 + 2369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 536737 + ... + 536836.

Almost surely, 2^53678650 is an apocalyptic number.

53678650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53678650 is a deficient number, since it is larger than the sum of its proper divisors (46163732).

53678650 is a wasteful number, since it uses less digits than its factorization.

53678650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073585 (or 1073580 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 53678650 is about 7326.5715037799. The cubic root of 53678650 is about 377.2250530732.

The spelling of 53678650 in words is "fifty-three million, six hundred seventy-eight thousand, six hundred fifty".