51242010 has 16 divisors (see below), whose sum is σ = 122980896. Its totient is φ = 13664528.

The previous prime is 51241991. The next prime is 51242027. The reversal of 51242010 is 1024215.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 854004 + ... + 854063.

It is an arithmetic number, because the mean of its divisors is an integer number (7686306).

Almost surely, 2^51242010 is an apocalyptic number.

51242010 is an abundant number, since it is smaller than the sum of its proper divisors (71738886).

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

51242010 is a wasteful number, since it uses less digits than its factorization.

51242010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708077.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 51242010 is about 7158.3524640800. The cubic root of 51242010 is about 371.4286378557.

Adding to 51242010 its reverse (1024215), we get a palindrome (52266225).

The spelling of 51242010 in words is "fifty-one million, two hundred forty-two thousand, ten".