53861002 has 16 divisors (see below), whose sum is σ = 87647112. Its totient is φ = 24675840.

The previous prime is 53860999. The next prime is 53861023. The reversal of 53861002 is 20016835.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31573161 + 22287841 = 5619^2 + 4721^2 .

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, 3999 + ... + 11122.

Almost surely, 2^53861002 is an apocalyptic number.

53861002 is a deficient number, since it is larger than the sum of its proper divisors (33786110).

53861002 is a wasteful number, since it uses less digits than its factorization.

53861002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15273.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 53861002 is about 7339.0055184609. The cubic root of 53861002 is about 377.6517279647.

Adding to 53861002 its reverse (20016835), we get a palindrome (73877837).

The spelling of 53861002 in words is "fifty-three million, eight hundred sixty-one thousand, two".