51416590 has 16 divisors (see below), whose sum is σ = 94519872. Its totient is φ = 20128864.

The previous prime is 51416587. The next prime is 51416593. The reversal of 51416590 is 9561415.

It is an interprime number because it is at equal distance from previous prime (51416587) and next prime (51416593).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51416593) 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, 54229 + ... + 55168.

It is an arithmetic number, because the mean of its divisors is an integer number (5907492).

Almost surely, 2^51416590 is an apocalyptic number.

51416590 is a deficient number, since it is larger than the sum of its proper divisors (43103282).

51416590 is a wasteful number, since it uses less digits than its factorization.

51416590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109451.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 51416590 is about 7170.5362421509. The cubic root of 51416590 is about 371.8499751538.

The spelling of 51416590 in words is "fifty-one million, four hundred sixteen thousand, five hundred ninety".