51253092 has 72 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 14992320.

The previous prime is 51253087. The next prime is 51253099. The reversal of 51253092 is 29035215.

It is not an unprimeable number, because it can be changed into a prime (51253099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9253 + ... + 13715.

It is an arithmetic number, because the mean of its divisors is an integer number (2031120).

Almost surely, 2^51253092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51253092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

51253092 is an abundant number, since it is smaller than the sum of its proper divisors (94987548).

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

51253092 is a wasteful number, since it uses less digits than its factorization.

51253092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513 (or 4508 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 51253092 is about 7159.1264830285. The cubic root of 51253092 is about 371.4554119516.

The spelling of 51253092 in words is "fifty-one million, two hundred fifty-three thousand, ninety-two".