61441554 has 32 divisors (see below), whose sum is σ = 131189760. Its totient is φ = 19126800.

The previous prime is 61441543. The next prime is 61441559. The reversal of 61441554 is 45514416.

It is not an unprimeable number, because it can be changed into a prime (61441559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4299 + ... + 11889.

It is an arithmetic number, because the mean of its divisors is an integer number (4099680).

Almost surely, 2^61441554 is an apocalyptic number.

61441554 is an abundant number, since it is smaller than the sum of its proper divisors (69748206).

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

61441554 is a wasteful number, since it uses less digits than its factorization.

61441554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686.

The product of its digits is 9600, while the sum is 30.

The square root of 61441554 is about 7838.4663040674. The cubic root of 61441554 is about 394.5972586822.

The spelling of 61441554 in words is "sixty-one million, four hundred forty-one thousand, five hundred fifty-four".