61503056 has 10 divisors (see below), whose sum is σ = 119162202. Its totient is φ = 30751520.

The previous prime is 61503047. The next prime is 61503073. The reversal of 61503056 is 65030516.

61503056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 21307456 = 6340^2 + 4616^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1921955 + ... + 1921986.

Almost surely, 2^61503056 is an apocalyptic number.

It is an amenable number.

61503056 is a deficient number, since it is larger than the sum of its proper divisors (57659146).

61503056 is a wasteful number, since it uses less digits than its factorization.

61503056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3843949 (or 3843943 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 61503056 is about 7842.3884117021. The cubic root of 61503056 is about 394.7288765968.

The spelling of 61503056 in words is "sixty-one million, five hundred three thousand, fifty-six".