25455053100 has 36 divisors (see below), whose sum is σ = 73649954504. Its totient is φ = 6788014080.

The previous prime is 25455053077. The next prime is 25455053101. The reversal of 25455053100 is 135055452.

It is a happy number.

It is a super-2 number, since 2×25455053100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25455053101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42424789 + ... + 42425388.

Almost surely, 2^25455053100 is an apocalyptic number.

25455053100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25455053100 is an abundant number, since it is smaller than the sum of its proper divisors (48194901404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25455053100 is a wasteful number, since it uses less digits than its factorization.

25455053100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84850194 (or 84850187 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 25455053100 in words is "twenty-five billion, four hundred fifty-five million, fifty-three thousand, one hundred".