51880350 has 24 divisors (see below), whose sum is σ = 128663640. Its totient is φ = 13834720.

The previous prime is 51880349. The next prime is 51880351. The reversal of 51880350 is 5308815.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51880349) and next prime (51880351).

It is a super-2 number, since 2×51880350² = 5383141432245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51880351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172785 + ... + 173084.

It is an arithmetic number, because the mean of its divisors is an integer number (5360985).

Almost surely, 2^51880350 is an apocalyptic number.

51880350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51880350 is an abundant number, since it is smaller than the sum of its proper divisors (76783290).

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

51880350 is a wasteful number, since it uses less digits than its factorization.

51880350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345884 (or 345879 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51880350 is about 7202.8015382905. The cubic root of 51880350 is about 372.9646170080.

The spelling of 51880350 in words is "fifty-one million, eight hundred eighty thousand, three hundred fifty".