51456652 has 48 divisors (see below), whose sum is σ = 101267712. Its totient is φ = 22717440.

The previous prime is 51456649. The next prime is 51456653. The reversal of 51456652 is 25665415.

It is not an unprimeable number, because it can be changed into a prime (51456653) 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, 220728 + ... + 220960.

It is an arithmetic number, because the mean of its divisors is an integer number (2109744).

Almost surely, 2^51456652 is an apocalyptic number.

51456652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51456652 is a deficient number, since it is larger than the sum of its proper divisors (49811060).

51456652 is a wasteful number, since it uses less digits than its factorization.

51456652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 416 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 51456652 is about 7173.3292131339. The cubic root of 51456652 is about 371.9465275590.

The spelling of 51456652 in words is "fifty-one million, four hundred fifty-six thousand, six hundred fifty-two".