51123152 has 20 divisors (see below), whose sum is σ = 99163296. Its totient is φ = 25532640.

The previous prime is 51123151. The next prime is 51123161. The reversal of 51123152 is 25132115.

It is a happy number.

It is a super-2 number, since 2×51123152² = 5227153340830208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51123151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23453 + ... + 25539.

Almost surely, 2^51123152 is an apocalyptic number.

It is an amenable number.

51123152 is a deficient number, since it is larger than the sum of its proper divisors (48040144).

51123152 is a wasteful number, since it uses less digits than its factorization.

51123152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3620 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 51123152 is about 7150.0455942602. The cubic root of 51123152 is about 371.1412340705.

Adding to 51123152 its reverse (25132115), we get a palindrome (76255267).

The spelling of 51123152 in words is "fifty-one million, one hundred twenty-three thousand, one hundred fifty-two".