51954260 has 12 divisors (see below), whose sum is σ = 109103988. Its totient is φ = 20781696.

The previous prime is 51954247. The next prime is 51954269. The reversal of 51954260 is 6245915.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17073424 + 34880836 = 4132^2 + 5906^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51954269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298837 + ... + 1298876.

It is an arithmetic number, because the mean of its divisors is an integer number (9091999).

Almost surely, 2^51954260 is an apocalyptic number.

It is an amenable number.

51954260 is an abundant number, since it is smaller than the sum of its proper divisors (57149728).

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

51954260 is a wasteful number, since it uses less digits than its factorization.

51954260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597722 (or 2597720 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 51954260 is about 7207.9303548245. The cubic root of 51954260 is about 373.1416444367.

The spelling of 51954260 in words is "fifty-one million, nine hundred fifty-four thousand, two hundred sixty".