51454500 has 48 divisors (see below), whose sum is σ = 149839872. Its totient is φ = 13720800.

The previous prime is 51454493. The next prime is 51454541. The reversal of 51454500 is 545415.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15652 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (3121664).

Almost surely, 2^51454500 is an apocalyptic number.

51454500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51454500 is an abundant number, since it is smaller than the sum of its proper divisors (98385372).

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

51454500 is a wasteful number, since it uses less digits than its factorization.

51454500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34325 (or 34313 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 51454500 is about 7173.1792114794. The cubic root of 51454500 is about 371.9413423526.

Adding to 51454500 its reverse (545415), we get a palindrome (51999915).

The spelling of 51454500 in words is "fifty-one million, four hundred fifty-four thousand, five hundred".