51469020 has 60 divisors (see below), whose sum is σ = 161465304. Its totient is φ = 13724640.

The previous prime is 51469003. The next prime is 51469027. The reversal of 51469020 is 2096415.

51469020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51469027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14266 + ... + 17505.

Almost surely, 2^51469020 is an apocalyptic number.

It is an amenable number.

51469020 is an abundant number, since it is smaller than the sum of its proper divisors (109996284).

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

51469020 is a wasteful number, since it uses less digits than its factorization.

51469020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31792 (or 31781 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 51469020 is about 7174.1912436176. The cubic root of 51469020 is about 371.9763252363.

The spelling of 51469020 in words is "fifty-one million, four hundred sixty-nine thousand, twenty".