51553002 has 16 divisors (see below), whose sum is σ = 103642560. Its totient is φ = 17094912.

The previous prime is 51552953. The next prime is 51553009. The reversal of 51553002 is 20035515.

It is a self number, because there is not a number n which added to its sum of digits gives 51553002.

It is not an unprimeable number, because it can be changed into a prime (51553009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21102 + ... + 23417.

It is an arithmetic number, because the mean of its divisors is an integer number (6477660).

Almost surely, 2^51553002 is an apocalyptic number.

51553002 is an abundant number, since it is smaller than the sum of its proper divisors (52089558).

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

51553002 is a wasteful number, since it uses less digits than its factorization.

51553002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44717.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 51553002 is about 7180.0419218832. The cubic root of 51553002 is about 372.1785332187.

Adding to 51553002 its reverse (20035515), we get a palindrome (71588517).

The spelling of 51553002 in words is "fifty-one million, five hundred fifty-three thousand, two".