51926450 has 12 divisors (see below), whose sum is σ = 96583290. Its totient is φ = 20770560.

The previous prime is 51926419. The next prime is 51926461. The reversal of 51926450 is 5462915.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 28121809 + 23804641 = 5303^2 + 4879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 519215 + ... + 519314.

Almost surely, 2^51926450 is an apocalyptic number.

51926450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51926450 is a deficient number, since it is larger than the sum of its proper divisors (44656840).

51926450 is a wasteful number, since it uses less digits than its factorization.

51926450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038541 (or 1038536 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 51926450 is about 7206.0009714126. Note that the first 3 decimals coincide. The cubic root of 51926450 is about 373.0750543167.

The spelling of 51926450 in words is "fifty-one million, nine hundred twenty-six thousand, four hundred fifty".