51544049 has 12 divisors (see below), whose sum is σ = 53848704. Its totient is φ = 49333872.

The previous prime is 51544043. The next prime is 51544061. The reversal of 51544049 is 94044515.

It is not a de Polignac number, because 51544049 - 2⁴ = 51544033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51544043) 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, 140264 + ... + 140630.

It is an arithmetic number, because the mean of its divisors is an integer number (4487392).

Almost surely, 2^51544049 is an apocalyptic number.

It is an amenable number.

51544049 is a deficient number, since it is larger than the sum of its proper divisors (2304655).

51544049 is a wasteful number, since it uses less digits than its factorization.

51544049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 51544049 is about 7179.4184304859. The cubic root of 51544049 is about 372.1569870611.

The spelling of 51544049 in words is "fifty-one million, five hundred forty-four thousand, forty-nine".