51703992 has 48 divisors (see below), whose sum is σ = 140638680. Its totient is φ = 17160000.

The previous prime is 51703973. The next prime is 51704011. The reversal of 51703992 is 29930715.

It is an interprime number because it is at equal distance from previous prime (51703973) and next prime (51704011).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16642 + ... + 19502.

Almost surely, 2^51703992 is an apocalyptic number.

It is an amenable number.

51703992 is an abundant number, since it is smaller than the sum of its proper divisors (88934688).

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

51703992 is a wasteful number, since it uses less digits than its factorization.

51703992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 51703992 is about 7190.5487968583. The cubic root of 51703992 is about 372.5415283340.

The spelling of 51703992 in words is "fifty-one million, seven hundred three thousand, nine hundred ninety-two".