51158901 has 8 divisors (see below), whose sum is σ = 70055584. Its totient is φ = 33184080.

The previous prime is 51158881. The next prime is 51158903. The reversal of 51158901 is 10985115.

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

It is not a de Polignac number, because 51158901 - 2¹³ = 51150709 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 (51158903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230335 + ... + 230556.

It is an arithmetic number, because the mean of its divisors is an integer number (8756948).

Almost surely, 2^51158901 is an apocalyptic number.

It is an amenable number.

51158901 is a deficient number, since it is larger than the sum of its proper divisors (18896683).

51158901 is a wasteful number, since it uses less digits than its factorization.

51158901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460931.

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 51158901 is about 7152.5450715113. The cubic root of 51158901 is about 371.2277234987.

The spelling of 51158901 in words is "fifty-one million, one hundred fifty-eight thousand, nine hundred one".