61957552 has 20 divisors (see below), whose sum is σ = 122079240. Its totient is φ = 30453248.

The previous prime is 61957549. The next prime is 61957559. The reversal of 61957552 is 25575916.

61957552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61957559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31873 + ... + 33760.

It is an arithmetic number, because the mean of its divisors is an integer number (6103962).

Almost surely, 2^61957552 is an apocalyptic number.

It is an amenable number.

61957552 is a deficient number, since it is larger than the sum of its proper divisors (60121688).

61957552 is a wasteful number, since it uses less digits than its factorization.

61957552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65700 (or 65694 counting only the distinct ones).

The product of its digits is 94500, while the sum is 40.

The square root of 61957552 is about 7871.3119618015. The cubic root of 61957552 is about 395.6988153020.

The spelling of 61957552 in words is "sixty-one million, nine hundred fifty-seven thousand, five hundred fifty-two".