51544002 has 16 divisors (see below), whose sum is σ = 103158432. Its totient is φ = 17169600.

The previous prime is 51543967. The next prime is 51544013. The reversal of 51544002 is 20044515.

It is a self number, because there is not a number n which added to its sum of digits gives 51544002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15273 + ... + 18339.

It is an arithmetic number, because the mean of its divisors is an integer number (6447402).

Almost surely, 2^51544002 is an apocalyptic number.

51544002 is an abundant number, since it is smaller than the sum of its proper divisors (51614430).

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

51544002 is a wasteful number, since it uses less digits than its factorization.

51544002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5873.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 51544002 is about 7179.4151572395. The cubic root of 51544002 is about 372.1568739450.

Adding to 51544002 its reverse (20044515), we get a palindrome (71588517).

The spelling of 51544002 in words is "fifty-one million, five hundred forty-four thousand, two".