61150552 has 16 divisors (see below), whose sum is σ = 116821440. Its totient is φ = 29998176.

The previous prime is 61150489. The next prime is 61150553. The reversal of 61150552 is 25505116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61150553) 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, 71688 + ... + 72535.

It is an arithmetic number, because the mean of its divisors is an integer number (7301340).

Almost surely, 2^61150552 is an apocalyptic number.

It is an amenable number.

61150552 is a deficient number, since it is larger than the sum of its proper divisors (55670888).

61150552 is a wasteful number, since it uses less digits than its factorization.

61150552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144282 (or 144278 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 61150552 is about 7819.8818405395. The cubic root of 61150552 is about 393.9733033523.

Adding to 61150552 its reverse (25505116), we get a palindrome (86655668).

The spelling of 61150552 in words is "sixty-one million, one hundred fifty thousand, five hundred fifty-two".