61595450 has 72 divisors (see below), whose sum is σ = 137741184. Its totient is φ = 20412000.

The previous prime is 61595441. The next prime is 61595461. The reversal of 61595450 is 5459516.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 61595450.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75545 + ... + 76355.

It is an arithmetic number, because the mean of its divisors is an integer number (1913072).

Almost surely, 2^61595450 is an apocalyptic number.

61595450 is an abundant number, since it is smaller than the sum of its proper divisors (76145734).

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

61595450 is a wasteful number, since it uses less digits than its factorization.

61595450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 61595450 is about 7848.2768809465. The cubic root of 61595450 is about 394.9264403960.

The spelling of 61595450 in words is "sixty-one million, five hundred ninety-five thousand, four hundred fifty".