51401954 has 16 divisors (see below), whose sum is σ = 83356800. Its totient is φ = 23689584.

The previous prime is 51401953. The next prime is 51401963. The reversal of 51401954 is 45910415.

It is not an unprimeable number, because it can be changed into a prime (51401953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16874 + ... + 19685.

It is an arithmetic number, because the mean of its divisors is an integer number (5209800).

Almost surely, 2^51401954 is an apocalyptic number.

51401954 is a deficient number, since it is larger than the sum of its proper divisors (31954846).

51401954 is a wasteful number, since it uses less digits than its factorization.

51401954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36617.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 51401954 is about 7169.5156042790. The cubic root of 51401954 is about 371.8146887951.

The spelling of 51401954 in words is "fifty-one million, four hundred one thousand, nine hundred fifty-four".