55001012 has 12 divisors (see below), whose sum is σ = 105002016. Its totient is φ = 25000440.

The previous prime is 55001003. The next prime is 55001041. The reversal of 55001012 is 21010055.

It is a super-2 number, since 2×55001012² = 6050222642048288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624968 + ... + 625055.

It is an arithmetic number, because the mean of its divisors is an integer number (8750168).

Almost surely, 2^55001012 is an apocalyptic number.

It is an amenable number.

55001012 is a deficient number, since it is larger than the sum of its proper divisors (50001004).

55001012 is a wasteful number, since it uses less digits than its factorization.

55001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250038 (or 1250036 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 55001012 is about 7416.2667158079. The cubic root of 55001012 is about 380.2975785393.

Adding to 55001012 its reverse (21010055), we get a palindrome (76011067).

The spelling of 55001012 in words is "fifty-five million, one thousand, twelve".