51614442 has 64 divisors (see below), whose sum is σ = 129208320. Its totient is φ = 15130800.

The previous prime is 51614429. The next prime is 51614483. The reversal of 51614442 is 24441615.

51614442 is a `hidden beast` number, since 5 + 1 + 614 + 4 + 42 = 666.

51614442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17013 + ... + 19815.

It is an arithmetic number, because the mean of its divisors is an integer number (2018880).

Almost surely, 2^51614442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51614442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64604160).

51614442 is an abundant number, since it is smaller than the sum of its proper divisors (77593878).

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

51614442 is a wasteful number, since it uses less digits than its factorization.

51614442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 2850 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 51614442 is about 7184.3191744243. The cubic root of 51614442 is about 372.3263265587.

The spelling of 51614442 in words is "fifty-one million, six hundred fourteen thousand, four hundred forty-two".