51153934 has 12 divisors (see below), whose sum is σ = 83087856. Its totient is φ = 23609352.

The previous prime is 51153931. The next prime is 51153953. The reversal of 51153934 is 43935115.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51153896 and 51153905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51153931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75334 + ... + 76009.

It is an arithmetic number, because the mean of its divisors is an integer number (6923988).

Almost surely, 2^51153934 is an apocalyptic number.

51153934 is a deficient number, since it is larger than the sum of its proper divisors (31933922).

51153934 is a wasteful number, since it uses less digits than its factorization.

51153934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151371 (or 151358 counting only the distinct ones).

The product of its digits is 8100, while the sum is 31.

The square root of 51153934 is about 7152.1978440197. The cubic root of 51153934 is about 371.2157089861.

It can be divided in two parts, 511 and 53934, that added together give a palindrome (54445).

The spelling of 51153934 in words is "fifty-one million, one hundred fifty-three thousand, nine hundred thirty-four".