61480554 has 16 divisors (see below), whose sum is σ = 123057792. Its totient is φ = 20477408.

The previous prime is 61480553. The next prime is 61480571. The reversal of 61480554 is 45508416.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61480553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6262 + ... + 12734.

It is an arithmetic number, because the mean of its divisors is an integer number (7691112).

Almost surely, 2^61480554 is an apocalyptic number.

61480554 is an abundant number, since it is smaller than the sum of its proper divisors (61577238).

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

61480554 is a wasteful number, since it uses less digits than its factorization.

61480554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 61480554 is about 7840.9536409802. The cubic root of 61480554 is about 394.6807311701.

The spelling of 61480554 in words is "sixty-one million, four hundred eighty thousand, five hundred fifty-four".