5454402561 has 24 divisors (see below), whose sum is σ = 8306113920. Its totient is φ = 3439539936.

The previous prime is 5454402533. The next prime is 5454402581. The reversal of 5454402561 is 1652044545.

5454402561 is a `hidden beast` number, since 5 + 4 + 54 + 40 + 2 + 561 = 666.

It is not a de Polignac number, because 5454402561 - 2⁶ = 5454402497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5454402511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87240 + ... + 136086.

It is an arithmetic number, because the mean of its divisors is an integer number (346088080).

Almost surely, 2^5454402561 is an apocalyptic number.

It is an amenable number.

5454402561 is a deficient number, since it is larger than the sum of its proper divisors (2851711359).

5454402561 is a wasteful number, since it uses less digits than its factorization.

5454402561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49525 (or 49522 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 5454402561 is about 73853.9271873879. The cubic root of 5454402561 is about 1760.2825993569.

The spelling of 5454402561 in words is "five billion, four hundred fifty-four million, four hundred two thousand, five hundred sixty-one".