51614364 has 12 divisors (see below), whose sum is σ = 120433544. Its totient is φ = 17204784.

The previous prime is 51614359. The next prime is 51614399. The reversal of 51614364 is 46341615.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×51614364² = 5328085142248992, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150587 + ... + 2150610.

Almost surely, 2^51614364 is an apocalyptic number.

It is an amenable number.

51614364 is an abundant number, since it is smaller than the sum of its proper divisors (68819180).

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

51614364 is a wasteful number, since it uses less digits than its factorization.

51614364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301204 (or 4301202 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 51614364 is about 7184.3137459329. The cubic root of 51614364 is about 372.3261390048.

Adding to 51614364 its reverse (46341615), we get a palindrome (97955979).

The spelling of 51614364 in words is "fifty-one million, six hundred fourteen thousand, three hundred sixty-four".