51190373 has 4 divisors (see below), whose sum is σ = 55128108. Its totient is φ = 47252640.

The previous prime is 51190369. The next prime is 51190409. The reversal of 51190373 is 37309115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8392609 + 42797764 = 2897^2 + 6542^2 .

It is a cyclic number.

It is not a de Polignac number, because 51190373 - 2² = 51190369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51196373) 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, 1968848 + ... + 1968873.

It is an arithmetic number, because the mean of its divisors is an integer number (13782027).

Almost surely, 2^51190373 is an apocalyptic number.

It is an amenable number.

51190373 is a deficient number, since it is larger than the sum of its proper divisors (3937735).

51190373 is a wasteful number, since it uses less digits than its factorization.

51190373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937734.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 51190373 is about 7154.7447892989. The cubic root of 51190373 is about 371.3038320137.

Adding to 51190373 its reverse (37309115), we get a palindrome (88499488).

The spelling of 51190373 in words is "fifty-one million, one hundred ninety thousand, three hundred seventy-three".