51925434 has 64 divisors (see below), whose sum is σ = 119992320. Its totient is φ = 14832000.

The previous prime is 51925417. The next prime is 51925439. The reversal of 51925434 is 43452915.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 51925395 and 51925404.

It is not an unprimeable number, because it can be changed into a prime (51925439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83577 + ... + 84195.

It is an arithmetic number, because the mean of its divisors is an integer number (1874880).

Almost surely, 2^51925434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51925434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59996160).

51925434 is an abundant number, since it is smaller than the sum of its proper divisors (68066886).

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

51925434 is a wasteful number, since it uses less digits than its factorization.

51925434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 21600, while the sum is 33.

The square root of 51925434 is about 7205.9304742691. The cubic root of 51925434 is about 373.0726210884.

The spelling of 51925434 in words is "fifty-one million, nine hundred twenty-five thousand, four hundred thirty-four".