1554405061 has 8 divisors (see below), whose sum is σ = 1710722304. Its totient is φ = 1400589120.

The previous prime is 1554405043. The next prime is 1554405089. The reversal of 1554405061 is 1605044551.

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

It is a cyclic number.

It is not a de Polignac number, because 1554405061 - 2¹¹ = 1554403013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554405961) 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, 624021 + ... + 626506.

It is an arithmetic number, because the mean of its divisors is an integer number (213840288).

Almost surely, 2^1554405061 is an apocalyptic number.

1554405061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1554405061 is a deficient number, since it is larger than the sum of its proper divisors (156317243).

1554405061 is a wasteful number, since it uses less digits than its factorization.

1554405061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250651.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1554405061 is about 39425.9440089898. The cubic root of 1554405061 is about 1158.3898242909.

The spelling of 1554405061 in words is "one billion, five hundred fifty-four million, four hundred five thousand, sixty-one".