51900353 has 4 divisors (see below), whose sum is σ = 52780080. Its totient is φ = 51020628.

The previous prime is 51900349. The next prime is 51900367. The reversal of 51900353 is 35300915.

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 cyclic number.

It is not a de Polignac number, because 51900353 - 2² = 51900349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51900313) 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, 439775 + ... + 439892.

It is an arithmetic number, because the mean of its divisors is an integer number (13195020).

Almost surely, 2^51900353 is an apocalyptic number.

It is an amenable number.

51900353 is a deficient number, since it is larger than the sum of its proper divisors (879727).

51900353 is an equidigital number, since it uses as much as digits as its factorization.

51900353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879726.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 51900353 is about 7204.1899614044. The cubic root of 51900353 is about 373.0125442908.

The spelling of 51900353 in words is "fifty-one million, nine hundred thousand, three hundred fifty-three".