5521154739 has 8 divisors (see below), whose sum is σ = 7430339520. Its totient is φ = 3646369896.

The previous prime is 5521154731. The next prime is 5521154741. The reversal of 5521154739 is 9374511255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5521154739 - 2³ = 5521154731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5521154739.

It is not an unprimeable number, because it can be changed into a prime (5521154731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8599609 + ... + 8600250.

It is an arithmetic number, because the mean of its divisors is an integer number (928792440).

Almost surely, 2^5521154739 is an apocalyptic number.

5521154739 is a deficient number, since it is larger than the sum of its proper divisors (1909184781).

5521154739 is a wasteful number, since it uses less digits than its factorization.

5521154739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17199969.

The product of its digits is 189000, while the sum is 42.

The square root of 5521154739 is about 74304.4732098950. The cubic root of 5521154739 is about 1767.4344115859.

The spelling of 5521154739 in words is "five billion, five hundred twenty-one million, one hundred fifty-four thousand, seven hundred thirty-nine".