61234550 has 24 divisors (see below), whose sum is σ = 122658816. Its totient is φ = 22609440.

The previous prime is 61234543. The next prime is 61234571. The reversal of 61234550 is 5543216.

It is a super-2 number, since 2×61234550² = 7499340227405000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46454 + ... + 47753.

It is an arithmetic number, because the mean of its divisors is an integer number (5110784).

Almost surely, 2^61234550 is an apocalyptic number.

61234550 is an abundant number, since it is smaller than the sum of its proper divisors (61424266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61234550 is a wasteful number, since it uses less digits than its factorization.

61234550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94232 (or 94227 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 61234550 is about 7825.2507947030. The cubic root of 61234550 is about 394.1536115019.

Adding to 61234550 its reverse (5543216), we get a palindrome (66777766).

The spelling of 61234550 in words is "sixty-one million, two hundred thirty-four thousand, five hundred fifty".