51954470 has 16 divisors (see below), whose sum is σ = 97584480. Its totient is φ = 19878144.

The previous prime is 51954443. The next prime is 51954473. The reversal of 51954470 is 7445915.

It is a self number, because there is not a number n which added to its sum of digits gives 51954470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51954473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112715 + ... + 113174.

It is an arithmetic number, because the mean of its divisors is an integer number (6099030).

Almost surely, 2^51954470 is an apocalyptic number.

51954470 is a deficient number, since it is larger than the sum of its proper divisors (45630010).

51954470 is a wasteful number, since it uses less digits than its factorization.

51954470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225919.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 51954470 is about 7207.9449220981. The cubic root of 51954470 is about 373.1421471843.

The spelling of 51954470 in words is "fifty-one million, nine hundred fifty-four thousand, four hundred seventy".