55005055001061 has 32 divisors (see below), whose sum is σ = 80858019470976. Its totient is φ = 32982430560000.

The previous prime is 55005055001059. The next prime is 55005055001077. The reversal of 55005055001061 is 16010055050055.

It is not a de Polignac number, because 55005055001061 - 2¹ = 55005055001059 is a prime.

It is a super-2 number, since 2×55005055001061² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005055001011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1372206 + ... + 10577951.

It is an arithmetic number, because the mean of its divisors is an integer number (2526813108468).

Almost surely, 2^{55005055001061} is an apocalyptic number.

It is an amenable number.

55005055001061 is a deficient number, since it is larger than the sum of its proper divisors (25852964469915).

55005055001061 is a wasteful number, since it uses less digits than its factorization.

55005055001061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11951653.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55005055001061 in words is "fifty-five trillion, five billion, fifty-five million, one thousand, sixty-one".