2550561442 has 32 divisors (see below), whose sum is σ = 4759098624. Its totient is φ = 1007212800.

The previous prime is 2550561437. The next prime is 2550561443. The reversal of 2550561442 is 2441650552.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2550561398 and 2550561407.

It is not an unprimeable number, because it can be changed into a prime (2550561443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257434 + ... + 267157.

It is an arithmetic number, because the mean of its divisors is an integer number (148721832).

Almost surely, 2^2550561442 is an apocalyptic number.

2550561442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2550561442 is a deficient number, since it is larger than the sum of its proper divisors (2208537182).

2550561442 is a wasteful number, since it uses less digits than its factorization.

2550561442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524634.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2550561442 is about 50503.0834900207. The cubic root of 2550561442 is about 1366.2974674205.

The spelling of 2550561442 in words is "two billion, five hundred fifty million, five hundred sixty-one thousand, four hundred forty-two".