51734500 has 48 divisors (see below), whose sum is σ = 114162048. Its totient is φ = 20479200.

The previous prime is 51734489. The next prime is 51734503. The reversal of 51734500 is 543715.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (51734503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53017 + ... + 53983.

It is an arithmetic number, because the mean of its divisors is an integer number (2378376).

Almost surely, 2^51734500 is an apocalyptic number.

51734500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51734500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57081024).

51734500 is an abundant number, since it is smaller than the sum of its proper divisors (62427548).

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

51734500 is a wasteful number, since it uses less digits than its factorization.

51734500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 51734500 is about 7192.6698798151. The cubic root of 51734500 is about 372.6147867797.

The spelling of 51734500 in words is "fifty-one million, seven hundred thirty-four thousand, five hundred".