50661510 has 32 divisors (see below), whose sum is σ = 124876512. Its totient is φ = 13144320.

The previous prime is 50661509. The next prime is 50661511. The reversal of 50661510 is 1516605.

It is an interprime number because it is at equal distance from previous prime (50661509) and next prime (50661511).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50661511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21711 + ... + 23930.

It is an arithmetic number, because the mean of its divisors is an integer number (3902391).

Almost surely, 2^50661510 is an apocalyptic number.

50661510 is an abundant number, since it is smaller than the sum of its proper divisors (74215002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50661510 is a wasteful number, since it uses less digits than its factorization.

50661510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45688.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 50661510 is about 7117.6899342413. The cubic root of 50661510 is about 370.0207195604.

The spelling of 50661510 in words is "fifty million, six hundred sixty-one thousand, five hundred ten".