5455661531 has 4 divisors (see below), whose sum is σ = 5455930200. Its totient is φ = 5455392864.

The previous prime is 5455661527. The next prime is 5455661579. The reversal of 5455661531 is 1351665545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5455661531 - 2² = 5455661527 is a prime.

It is a super-2 number, since 2×5455661531² = 59528485481666527922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5455661521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101141 + ... + 145398.

It is an arithmetic number, because the mean of its divisors is an integer number (1363982550).

Almost surely, 2^5455661531 is an apocalyptic number.

5455661531 is a deficient number, since it is larger than the sum of its proper divisors (268669).

5455661531 is a wasteful number, since it uses less digits than its factorization.

5455661531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268668.

The product of its digits is 270000, while the sum is 41.

The square root of 5455661531 is about 73862.4500744458. The cubic root of 5455661531 is about 1760.4180234462.

The spelling of 5455661531 in words is "five billion, four hundred fifty-five million, six hundred sixty-one thousand, five hundred thirty-one".