51452016 has 80 divisors (see below), whose sum is σ = 165727488. Its totient is φ = 13363200.

The previous prime is 51451999. The next prime is 51452017. The reversal of 51452016 is 61025415.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51452017) 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, 3265 + ... + 10656.

Almost surely, 2^51452016 is an apocalyptic number.

51452016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51452016 is an abundant number, since it is smaller than the sum of its proper divisors (114275472).

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

51452016 is a wasteful number, since it uses less digits than its factorization.

51452016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13950 (or 13944 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 51452016 is about 7173.0060644056. The cubic root of 51452016 is about 371.9353570182.

The spelling of 51452016 in words is "fifty-one million, four hundred fifty-two thousand, sixteen".