61264455 has 96 divisors (see below), whose sum is σ = 124104960. Its totient is φ = 25643520.

The previous prime is 61264403. The next prime is 61264457. The reversal of 61264455 is 55446216.

It is not a de Polignac number, because 61264455 - 2⁶ = 61264391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61264457) 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, 572512 + ... + 572618.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^61264455 is an apocalyptic number.

61264455 is an abundant number, since it is smaller than the sum of its proper divisors (62840505).

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

61264455 is a wasteful number, since it uses less digits than its factorization.

61264455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 182 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 61264455 is about 7827.1613628441. The cubic root of 61264455 is about 394.2177650745.

The spelling of 61264455 in words is "sixty-one million, two hundred sixty-four thousand, four hundred fifty-five".