51401053 has 4 divisors (see below), whose sum is σ = 56073888. Its totient is φ = 46728220.

The previous prime is 51401027. The next prime is 51401059. The reversal of 51401053 is 35010415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-51401053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51401053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51401059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336401 + ... + 2336422.

It is an arithmetic number, because the mean of its divisors is an integer number (14018472).

Almost surely, 2^51401053 is an apocalyptic number.

It is an amenable number.

51401053 is a deficient number, since it is larger than the sum of its proper divisors (4672835).

51401053 is a wasteful number, since it uses less digits than its factorization.

51401053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672834.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51401053 is about 7169.4527685173. The cubic root of 51401053 is about 371.8125163291.

Adding to 51401053 its reverse (35010415), we get a palindrome (86411468).

It can be divided in two parts, 51 and 401053, that added together give a palindrome (401104).

The spelling of 51401053 in words is "fifty-one million, four hundred one thousand, fifty-three".