51619094 has 4 divisors (see below), whose sum is σ = 77428644. Its totient is φ = 25809546.

The previous prime is 51619081. The next prime is 51619121. The reversal of 51619094 is 49091615.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12904772 + ... + 12904775.

It is an arithmetic number, because the mean of its divisors is an integer number (19357161).

Almost surely, 2^51619094 is an apocalyptic number.

51619094 is a deficient number, since it is larger than the sum of its proper divisors (25809550).

51619094 is a wasteful number, since it uses less digits than its factorization.

51619094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25809549.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 51619094 is about 7184.6429278009. The cubic root of 51619094 is about 372.3375121234.

The spelling of 51619094 in words is "fifty-one million, six hundred nineteen thousand, ninety-four".