61025055 has 96 divisors (see below), whose sum is σ = 127895040. Its totient is φ = 24261120.

The previous prime is 61025047. The next prime is 61025059. The reversal of 61025055 is 55052016.

It is not a de Polignac number, because 61025055 - 2³ = 61025047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61025059) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 337065 + ... + 337245.

It is an arithmetic number, because the mean of its divisors is an integer number (1332240).

Almost surely, 2^61025055 is an apocalyptic number.

61025055 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61025055 is an abundant number, since it is smaller than the sum of its proper divisors (66869985).

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

61025055 is a wasteful number, since it uses less digits than its factorization.

61025055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 61025055 is about 7811.8534932499. The cubic root of 61025055 is about 393.7036065269.

The spelling of 61025055 in words is "sixty-one million, twenty-five thousand, fifty-five".