51362919 has 12 divisors (see below), whose sum is σ = 76196536. Its totient is φ = 33316272.

The previous prime is 51362917. The next prime is 51362923. The reversal of 51362919 is 91926315.

51362919 is a `hidden beast` number, since 5 + 13 + 629 + 19 = 666.

It is not a de Polignac number, because 51362919 - 2¹ = 51362917 is a prime.

It is a super-2 number, since 2×51362919² = 5276298896401122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51362911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76789 + ... + 77454.

Almost surely, 2^51362919 is an apocalyptic number.

51362919 is a deficient number, since it is larger than the sum of its proper divisors (24833617).

51362919 is a wasteful number, since it uses less digits than its factorization.

51362919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154286 (or 154283 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 51362919 is about 7166.7927973397. The cubic root of 51362919 is about 371.7205454098.

The spelling of 51362919 in words is "fifty-one million, three hundred sixty-two thousand, nine hundred nineteen".