25144552053 has 6 divisors (see below), whose sum is σ = 36319908534. Its totient is φ = 16763034696.

The previous prime is 25144552033. The next prime is 25144552123. The reversal of 25144552053 is 35025544152.

25144552053 is a `hidden beast` number, since 2 + 5 + 1 + 445 + 5 + 205 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24288287409 + 856264644 = 155847^2 + 29262^2 .

It is not a de Polignac number, because 25144552053 - 2⁵ = 25144552021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25144551999 and 25144552017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25144552033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1396919550 + ... + 1396919567.

It is an arithmetic number, because the mean of its divisors is an integer number (6053318089).

Almost surely, 2^25144552053 is an apocalyptic number.

It is an amenable number.

25144552053 is a deficient number, since it is larger than the sum of its proper divisors (11175356481).

25144552053 is a wasteful number, since it uses less digits than its factorization.

25144552053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793839123 (or 2793839120 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 25144552053 in words is "twenty-five billion, one hundred forty-four million, five hundred fifty-two thousand, fifty-three".