51158354 has 16 divisors (see below), whose sum is σ = 82759320. Its totient is φ = 23577600.

The previous prime is 51158333. The next prime is 51158363. The reversal of 51158354 is 45385115.

It can be written as a sum of positive squares in 4 ways, for example, as 50481025 + 677329 = 7105^2 + 823^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51158354.

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, 31154 + ... + 32754.

Almost surely, 2^51158354 is an apocalyptic number.

51158354 is a deficient number, since it is larger than the sum of its proper divisors (31600966).

51158354 is a wasteful number, since it uses less digits than its factorization.

51158354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845.

The product of its digits is 12000, while the sum is 32.

The square root of 51158354 is about 7152.5068332718. The cubic root of 51158354 is about 371.2264004165.

The spelling of 51158354 in words is "fifty-one million, one hundred fifty-eight thousand, three hundred fifty-four".