61551032 has 16 divisors (see below), whose sum is σ = 121482600. Its totient is φ = 29155680.

The previous prime is 61551031. The next prime is 61551043. The reversal of 61551032 is 23015516.

It is a junction number, because it is equal to n+sod(n) for n = 61550989 and 61551007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61551031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202319 + ... + 202622.

Almost surely, 2^61551032 is an apocalyptic number.

It is an amenable number.

61551032 is a deficient number, since it is larger than the sum of its proper divisors (59931568).

61551032 is a wasteful number, since it uses less digits than its factorization.

61551032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404966 (or 404962 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 61551032 is about 7845.4465774741. The cubic root of 61551032 is about 394.8314871652.

Adding to 61551032 its reverse (23015516), we get a palindrome (84566548).

The spelling of 61551032 in words is "sixty-one million, five hundred fifty-one thousand, thirty-two".