655507254 has 16 divisors (see below), whose sum is σ = 1311579648. Its totient is φ = 218408232.

The previous prime is 655507243. The next prime is 655507283. The reversal of 655507254 is 452705556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7642 + ... + 37005.

It is an arithmetic number, because the mean of its divisors is an integer number (81973728).

Almost surely, 2^655507254 is an apocalyptic number.

655507254 is an abundant number, since it is smaller than the sum of its proper divisors (656072394).

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

655507254 is a wasteful number, since it uses less digits than its factorization.

655507254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47099.

The product of its (nonzero) digits is 210000, while the sum is 39.

The square root of 655507254 is about 25602.8758931492. The cubic root of 655507254 is about 868.6786892177.

The spelling of 655507254 in words is "six hundred fifty-five million, five hundred seven thousand, two hundred fifty-four".