61553342 has 8 divisors (see below), whose sum is σ = 92768232. Its totient is φ = 30630600.

The previous prime is 61553329. The next prime is 61553347. The reversal of 61553342 is 24335516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×61553342² = 7577627822737928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61553347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72509 + ... + 73352.

It is an arithmetic number, because the mean of its divisors is an integer number (11596029).

Almost surely, 2^61553342 is an apocalyptic number.

61553342 is a deficient number, since it is larger than the sum of its proper divisors (31214890).

61553342 is a wasteful number, since it uses less digits than its factorization.

61553342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146074.

The product of its digits is 10800, while the sum is 29.

The square root of 61553342 is about 7845.5937952458. The cubic root of 61553342 is about 394.8364264234.

Adding to 61553342 its reverse (24335516), we get a palindrome (85888858).

The spelling of 61553342 in words is "sixty-one million, five hundred fifty-three thousand, three hundred forty-two".