51225954 has 32 divisors (see below), whose sum is σ = 110605824. Its totient is φ = 15722880.

The previous prime is 51225953. The next prime is 51225971. The reversal of 51225954 is 45952215.

It is not an unprimeable number, because it can be changed into a prime (51225953) 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, 58927 + ... + 59789.

It is an arithmetic number, because the mean of its divisors is an integer number (3456432).

Almost surely, 2^51225954 is an apocalyptic number.

51225954 is an abundant number, since it is smaller than the sum of its proper divisors (59379870).

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

51225954 is a wasteful number, since it uses less digits than its factorization.

51225954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642.

The product of its digits is 18000, while the sum is 33.

The square root of 51225954 is about 7157.2308891079. The cubic root of 51225954 is about 371.3898397342.

The spelling of 51225954 in words is "fifty-one million, two hundred twenty-five thousand, nine hundred fifty-four".