61559038 has 4 divisors (see below), whose sum is σ = 92338560. Its totient is φ = 30779518.

The previous prime is 61559033. The next prime is 61559089. The reversal of 61559038 is 83095516.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 61558988 and 61559006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61559033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15389758 + ... + 15389761.

It is an arithmetic number, because the mean of its divisors is an integer number (23084640).

Almost surely, 2^61559038 is an apocalyptic number.

61559038 is a deficient number, since it is larger than the sum of its proper divisors (30779522).

61559038 is a wasteful number, since it uses less digits than its factorization.

61559038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30779521.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 61559038 is about 7845.9567931515. The cubic root of 61559038 is about 394.8486051227.

The spelling of 61559038 in words is "sixty-one million, five hundred fifty-nine thousand, thirty-eight".