51103450 has 24 divisors (see below), whose sum is σ = 95984928. Its totient is φ = 20240880.

The previous prime is 51103439. The next prime is 51103471. The reversal of 51103450 is 5430115.

51103450 = 126² + 127² + ... + 537².

It is a super-2 number, since 2×51103450² = 5223125203805000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189 + ... + 10111.

It is an arithmetic number, because the mean of its divisors is an integer number (3999372).

Almost surely, 2^51103450 is an apocalyptic number.

51103450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51103450 is a deficient number, since it is larger than the sum of its proper divisors (44881478).

51103450 is a wasteful number, since it uses less digits than its factorization.

51103450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038 (or 10033 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51103450 is about 7148.6677080418. The cubic root of 51103450 is about 371.0935507552.

Adding to 51103450 its reverse (5430115), we get a palindrome (56533565).

The spelling of 51103450 in words is "fifty-one million, one hundred three thousand, four hundred fifty".