51011495 has 8 divisors (see below), whose sum is σ = 61294320. Its totient is φ = 40755520.

The previous prime is 51011479. The next prime is 51011533. The reversal of 51011495 is 59411015.

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

It is not a de Polignac number, because 51011495 - 2⁴ = 51011479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (7661790).

Almost surely, 2^51011495 is an apocalyptic number.

51011495 is a deficient number, since it is larger than the sum of its proper divisors (10282825).

51011495 is a wasteful number, since it uses less digits than its factorization.

51011495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13425.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 51011495 is about 7142.2331941767. The cubic root of 51011495 is about 370.8708365331.

The spelling of 51011495 in words is "fifty-one million, eleven thousand, four hundred ninety-five".