51730292 has 12 divisors (see below), whose sum is σ = 92974980. Its totient is φ = 25166016.

The previous prime is 51730277. The next prime is 51730307. The reversal of 51730292 is 29203715.

It is an interprime number because it is at equal distance from previous prime (51730277) and next prime (51730307).

It can be written as a sum of positive squares in 2 ways, for example, as 24960016 + 26770276 = 4996^2 + 5174^2 .

It is a super-2 number, since 2×51730292² = 5352046220810528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174617 + ... + 174912.

It is an arithmetic number, because the mean of its divisors is an integer number (7747915).

Almost surely, 2^51730292 is an apocalyptic number.

It is an amenable number.

51730292 is a deficient number, since it is larger than the sum of its proper divisors (41244688).

51730292 is a wasteful number, since it uses less digits than its factorization.

51730292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349570 (or 349568 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 51730292 is about 7192.3773538379. The cubic root of 51730292 is about 372.6046838791.

The spelling of 51730292 in words is "fifty-one million, seven hundred thirty thousand, two hundred ninety-two".