51272350 has 24 divisors (see below), whose sum is σ = 95864400. Its totient is φ = 20401920.

The previous prime is 51272329. The next prime is 51272369. The reversal of 51272350 is 5327215.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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, 7374 + ... + 12526.

It is an arithmetic number, because the mean of its divisors is an integer number (3994350).

Almost surely, 2^51272350 is an apocalyptic number.

51272350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51272350 is a deficient number, since it is larger than the sum of its proper divisors (44592050).

51272350 is a wasteful number, since it uses less digits than its factorization.

51272350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 5359 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 51272350 is about 7160.4713532002. The cubic root of 51272350 is about 371.5019300723.

Adding to 51272350 its reverse (5327215), we get a palindrome (56599565).

The spelling of 51272350 in words is "fifty-one million, two hundred seventy-two thousand, three hundred fifty".