51416022 has 32 divisors (see below), whose sum is σ = 119520000. Its totient is φ = 14440608.

The previous prime is 51415993. The next prime is 51416023. The reversal of 51416022 is 22061415.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 51416022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51416023) 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, 7897 + ... + 12852.

It is an arithmetic number, because the mean of its divisors is an integer number (3735000).

Almost surely, 2^51416022 is an apocalyptic number.

51416022 is an abundant number, since it is smaller than the sum of its proper divisors (68103978).

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

51416022 is a wasteful number, since it uses less digits than its factorization.

51416022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20820.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 51416022 is about 7170.4966355197. The cubic root of 51416022 is about 371.8486058710.

Adding to 51416022 its reverse (22061415), we get a palindrome (73477437).

The spelling of 51416022 in words is "fifty-one million, four hundred sixteen thousand, twenty-two".