61126450 has 48 divisors (see below), whose sum is σ = 141758784. Its totient is φ = 19051200.

The previous prime is 61126447. The next prime is 61126493. The reversal of 61126450 is 5462116.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4089 + ... + 11788.

It is an arithmetic number, because the mean of its divisors is an integer number (2953308).

Almost surely, 2^61126450 is an apocalyptic number.

61126450 is an abundant number, since it is smaller than the sum of its proper divisors (80632334).

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

61126450 is a wasteful number, since it uses less digits than its factorization.

61126450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15907 (or 15902 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 61126450 is about 7818.3406167805. The cubic root of 61126450 is about 393.9215360771.

Adding to 61126450 its reverse (5462116), we get a palindrome (66588566).

The spelling of 61126450 in words is "sixty-one million, one hundred twenty-six thousand, four hundred fifty".