51434624 has 32 divisors (see below), whose sum is σ = 106928640. Its totient is φ = 24597760.

The previous prime is 51434599. The next prime is 51434629. The reversal of 51434624 is 42643415.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (51434629) 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, 5792 + ... + 11679.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^51434624 is an apocalyptic number.

It is an amenable number.

51434624 is an abundant number, since it is smaller than the sum of its proper divisors (55494016).

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

51434624 is a wasteful number, since it uses less digits than its factorization.

51434624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17508 (or 17496 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 51434624 is about 7171.7936389721. The cubic root of 51434624 is about 371.8934446422.

The spelling of 51434624 in words is "fifty-one million, four hundred thirty-four thousand, six hundred twenty-four".