51095042 has 8 divisors (see below), whose sum is σ = 79285500. Its totient is φ = 24666544.

The previous prime is 51095027. The next prime is 51095053. The reversal of 51095042 is 24059015.

It can be written as a sum of positive squares in 2 ways, for example, as 46117681 + 4977361 = 6791^2 + 2231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51095042² = 5221406633963528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440417 + ... + 440532.

Almost surely, 2^51095042 is an apocalyptic number.

51095042 is a deficient number, since it is larger than the sum of its proper divisors (28190458).

51095042 is a wasteful number, since it uses less digits than its factorization.

51095042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880980.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 51095042 is about 7148.0796022428. The cubic root of 51095042 is about 371.0731977542.

The spelling of 51095042 in words is "fifty-one million, ninety-five thousand, forty-two".