54405525 has 48 divisors (see below), whose sum is σ = 96743808. Its totient is φ = 26880000.

The previous prime is 54405521. The next prime is 54405529. The reversal of 54405525 is 52550445.

It is an interprime number because it is at equal distance from previous prime (54405521) and next prime (54405529).

It is not a de Polignac number, because 54405525 - 2² = 54405521 is a prime.

It is a super-2 number, since 2×54405525² = 5919922301051250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54405492 and 54405501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54405521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90225 + ... + 90825.

It is an arithmetic number, because the mean of its divisors is an integer number (2015496).

Almost surely, 2^54405525 is an apocalyptic number.

It is an amenable number.

54405525 is a deficient number, since it is larger than the sum of its proper divisors (42338283).

54405525 is a wasteful number, since it uses less digits than its factorization.

54405525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 54405525 is about 7376.0101003185. The cubic root of 54405525 is about 378.9201220308.

The spelling of 54405525 in words is "fifty-four million, four hundred five thousand, five hundred twenty-five".